<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><div class="t m0 x0 h1 y0 ff1 fs0 fc0 sc0 ls1 ws2">Glossário de <span class="_0 blank"> </span>Mine<span class="ls2 ws0">ra<span class="ls0 ws1">ção</span></span><span class="ff2"> </span></div><div class="t m0 x1 h2 y1 ff2 fs1 fc0 sc0 ls1 ws2">1 </div><div class="t m0 x2 h2 y2 ff2 fs1 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h3 y3 ff1 fs2 fc0 sc0 ls1 ws2"> </div><div class="t m0 x3 h3 y4 ff1 fs2 fc0 sc0 ls1 ws2">GLOSSÁRIO </div><div class="t m0 x4 h3 y5 ff1 fs2 fc0 sc0 ls1 ws2">DE </div><div class="t m0 x5 h3 y6 ff1 fs2 fc0 sc0 ls1 ws2">MINERAÇÃO </div><div class="t m0 x2 h4 y7 ff1 fs3 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h5 y8 ff1 fs4 fc0 sc0 ls1 ws2"> </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><div class="t m0 x0 h1 y0 ff1 fs0 fc0 sc0 ls1 ws2">Glossário de <span class="_0 blank"> </span>Mine<span class="ls2 ws0">ra<span class="ls0 ws1">ção</span></span><span class="ff2"> </span></div><div class="t m0 x1 h2 y1 ff2 fs1 fc0 sc0 ls1 ws2">2 </div><div class="t m0 x2 h2 y2 ff2 fs1 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h5 y9 ff1 fs4 fc0 sc0 ls1 ws2">INTRODUCAO </div><div class="t m0 x2 h5 ya ff1 fs4 fc0 sc0 ls1 ws2">Este <span class="_1 blank"> </span>glossário <span class="_1 blank"> </span>é <span class="_1 blank"> </span>resultado <span class="_1 blank"> </span>de <span class="_1 blank"> </span>termos <span class="_1 blank"> </span>trabalhados <span class="_1 blank"> </span>pelos <span class="_1 blank"> </span>discentes <span class="_1 blank"> </span>das <span class="_1 blank"> </span>disciplinas <span class="_1 blank"> </span>L<span class="_2 blank"></span>avra </div><div class="t m0 x2 h5 yb ff1 fs4 fc0 sc0 ls1 ws2">Subterrânea (MIN229), M<span class="_0 blank"> </span>IN 742 (Fluxo <span class="_0 blank"> </span>de Material <span class="_0 blank"> </span>Fragmentado) e Estabil<span class="_0 blank"> </span>idade de Escavações </div><div class="t m0 x2 h5 yc ff1 fs4 fc0 sc0 ls1 ws2">Subterrâneas <span class="_3 blank"> </span>(MIN225), <span class="_3 blank"> </span>de <span class="_3 blank"> </span>2005 <span class="_4 blank"> </span>a <span class="_3 blank"> </span>2009, <span class="_3 blank"> </span>do <span class="_4 blank"> </span>curso <span class="_4 blank"> </span>de <span class="_3 blank"> </span>Engenharia <span class="_3 blank"> </span>de <span class="_3 blank"> </span>Mi<span class="_0 blank"> </span>nas, <span class="_3 blank"> </span>gradua<span class="_0 blank"> </span>ção <span class="_4 blank"> </span>e <span class="_3 blank"> </span>pós-</div><div class="t m0 x2 h5 yd ff1 fs4 fc0 sc0 ls1 ws2">graduação, <span class="_0 blank"> </span>da <span class="_5 blank"> </span>Escola <span class="_0 blank"> </span>de <span class="_5 blank"> </span>Minas/UFOP, <span class="_5 blank"> </span>a <span class="_5 blank"> </span>partir <span class="_0 blank"> </span>de <span class="_5 blank"> </span>pesquisas <span class="_5 blank"> </span>em <span class="_5 blank"> </span>textos <span class="_0 blank"> </span>básicos <span class="_5 blank"> </span>dessas <span class="_0 blank"> </span>disciplinas </div><div class="t m0 x2 h5 ye ff1 fs4 fc0 sc0 ls1 ws2">(de <span class="_3 blank"> </span>auto<span class="_0 blank"> </span>res <span class="_4 blank"> </span>como <span class="_4 blank"> </span>Hartman, <span class="_4 blank"> </span>Hoek <span class="_6 blank"> </span>e <span class="_4 blank"> </span>Brown, <span class="_4 blank"> </span>Hoe<span class="_0 blank"> </span>k, <span class="_4 blank"> </span>Kaiser <span class="_4 blank"> </span>et <span class="_4 blank"> </span>al, <span class="_4 blank"> </span>Hustruli<span class="_0 blank"> </span>d, <span class="_4 blank"> </span>Cummins <span class="_6 blank"> </span>e <span class="_4 blank"> </span>Given, </div><div class="t m0 x2 h5 yf ff1 fs4 fc0 sc0 ls1 ws2">Shevyakov, Brady e Brown) e de <span class="_0 blank"> </span>revistas técnicas <span class="_0 blank"> </span>(como Engineerin<span class="_0 blank"> </span>g and Mining <span class="_0 blank"> </span>Journal), entre </div><div class="t m0 x2 h5 y10 ff1 fs4 fc0 sc0 ls1 ws2">outros. <span class="_7 blank"> </span>As <span class="_7 blank"> </span>fichas <span class="_7 blank"> </span>terminológicas <span class="_7 blank"> </span>completas <span class="_7 blank"> </span>de <span class="_7 blank"> </span>cada <span class="_7 blank"> </span>termo <span class="_7 blank"> </span>r<span class="_0 blank"> </span>egistram <span class="_7 blank"> </span>o <span class="_7 blank"> </span>contexto <span class="_7 blank"> </span>do <span class="_7 blank"> </span>termo, <span class="_7 blank"> </span>a </div><div class="t m0 x2 h5 y11 ff1 fs4 fc0 sc0 ls1 ws2">definição em <span class="_0 blank"> </span>in<span class="_0 blank"> </span>glês e <span class="_0 blank"> </span>sin<span class="_0 blank"> </span>ônimo, <span class="_0 blank"> </span>além das<span class="_0 blank"> </span> <span class="_0 blank"> </span>informações qu<span class="_0 blank"> </span>e <span class="_0 blank"> </span>se <span class="_0 blank"> </span>seguem. <span class="_0 blank"> </span>O <span class="_0 blank"> </span>trabalho <span class="_0 blank"> </span>foi <span class="_0 blank"> </span>orientado <span class="_0 blank"> </span>e </div><div class="t m0 x2 h5 y12 ff1 fs4 fc0 sc0 ls1 ws2">revisado pelo Prof. José Margarida<span class="_2 blank"></span> da Silva. Observações, sugestões e críticas são bem-vindas.<span class="_0 blank"> </span> </div><div class="t m0 x2 h6 y13 ff3 fs4 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h6 y14 ff3 fs4 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h6 y15 ff3 fs4 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h6 y16 ff3 fs4 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h6 y17 ff3 fs4 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h6 y18 ff3 fs4 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h6 y19 ff3 fs4 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h6 y1a ff3 fs4 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h6 y1b ff3 fs4 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h6 y1c ff3 fs4 fc0 sc0 ls1 ws2"> </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><div class="t m0 x0 h1 y0 ff1 fs0 fc0 sc0 ls1 ws2">Glossário de <span class="_0 blank"> </span>Mine<span class="ls2 ws0">ra<span class="ls0 ws1">ção</span></span><span class="ff2"> </span></div><div class="t m0 x1 h2 y1 ff2 fs1 fc0 sc0 ls1 ws2">3 </div><div class="t m0 x2 h2 y2 ff2 fs1 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h6 y9 ff3 fs4 fc0 sc0 ls1 ws3">Abutment<span class="ff1 ws2"> = escora, pilastra (Pilar ou suporte artificial ca<span class="_2 blank"></span>paz de resistir à compressão simples). <span class="_0 blank"> </span> </span></div><div class="t m0 x2 h6 ya ff3 fs4 fc0 sc0 ls1 ws3">Access<span class="ff1 ws2"> <span class="_8 blank"> </span>= <span class="_8 blank"> </span>acesso <span class="_8 blank"> </span>(Via <span class="_3 blank"> </span>ou <span class="_8 blank"> </span>passagem <span class="_8 blank"> </span>construída <span class="_8 blank"> </span>para <span class="_8 blank"> </span>permitir <span class="_3 blank"> </span>o <span class="_8 blank"> </span>acesso <span class="_8 blank"> </span>de <span class="_8 blank"> </span>materiais, <span class="_8 blank"> </span>e <span class="_3 blank"> </span>veículos <span class="_8 blank"> </span>a </span></div><div class="t m0 x2 h5 yb ff1 fs4 fc0 sc0 ls1 ws2">uma mina). </div><div class="t m0 x2 h5 y1d ff1 fs4 fc0 sc0 ls1 ws2">active <span class="_3 blank"> </span>subsidence <span class="_4 blank"> </span>= <span class="_3 blank"> </span>Subsidência <span class="_4 blank"> </span>Ativa <span class="_3 blank"> </span>(A<span class="_0 blank"> </span>fundamento <span class="_3 blank"> </span>súbi<span class="_0 blank"> </span>to <span class="_3 blank"> </span>ou <span class="_4 blank"> </span>gradual <span class="_3 blank"> </span>da <span class="_4 blank"> </span>superfície <span class="_3 blank"> </span>t<span class="_0 blank"> </span>errestre </div><div class="t m0 x2 h5 y1e ff1 fs4 fc0 sc0 ls1 ws2">ocasionada <span class="_9 blank"> </span>por <span class="_9 blank"> </span>fenômenos <span class="_9 blank"> </span>geológicos <span class="_9 blank"> </span>naturais <span class="_1 blank"> </span>ou <span class="_9 blank"> </span>de <span class="_9 blank"> </span>interferência <span class="_9 blank"> </span>da <span class="_9 blank"> </span>ação <span class="_9 blank"> </span>humana <span class="_9 blank"> </span>em </div><div class="t m0 x2 h5 y1f ff1 fs4 fc0 sc0 ls1 ws2">subsuperfície, como a lavra subterrânea). </div><div class="t m0 x2 h5 y20 ff1 fs4 fc0 sc0 ls1 ws2">Active support = suporte ativo (Suporte sobre o qual é aplicada uma carga de maneira a aumentar </div><div class="t m0 x2 h5 y21 ff1 fs4 fc0 sc0 ls1 ws2">a <span class="_4 blank"> </span>tensão <span class="_4 blank"> </span>normal <span class="_4 blank"> </span>sobre <span class="_4 blank"> </span>o<span class="_0 blank"> </span> <span class="_4 blank"> </span>plano <span class="_4 blank"> </span>de <span class="_4 blank"> </span>deslizamento <span class="_6 blank"> </span>e <span class="_4 blank"> </span>diminuir <span class="_4 blank"> </span>a <span class="_4 blank"> </span>tensão <span class="_4 blank"> </span>cis<span class="_0 blank"> </span>alhante <span class="_4 blank"> </span>ao <span class="_4 blank"> </span>longo <span class="_4 blank"> </span>deste </div><div class="t m0 x2 h5 y22 ff1 fs4 fc0 sc0 ls1 ws2">mesmo plano). </div><div class="t m0 x2 h5 y23 ff1 fs4 fc0 sc0 ls1 ws2">Adit <span class="_a blank"> </span>= <span class="_7 blank"> </span>ádito (G<span class="_2 blank"></span>aleria <span class="_7 blank"> </span>h<span class="_0 blank"> </span>orizontal <span class="_a blank"> </span>ou <span class="_a blank"> </span>levemente <span class="_a blank"> </span>inclinada, <span class="_7 blank"> </span>que tem <span class="_7 blank"> </span>ligação <span class="_a blank"> </span>com <span class="_7 blank"> </span>a superfície, </div><div class="t m0 x2 h5 y24 ff1 fs4 fc0 sc0 ls1 ws2">servindo para as próprias operações mineiras ou para drenagem da mina). </div><div class="t m0 x2 h5 y25 ff1 fs4 fc0 sc0 ls1 ws2">Advance = avanço (Comprimento da frente de avanço da galeria de mina ou do painel de lavra). </div><div class="t m0 x2 h5 y26 ff1 fs4 fc0 sc0 ls1 ws2">Advance <span class="_4 blank"> </span>= <span class="_4 blank"> </span>avanço <span class="_4 blank"> </span>(dimensão <span class="_4 blank"> </span>escavada <span class="_4 blank"> </span>d<span class="_0 blank"> </span>e <span class="_4 blank"> </span>uma <span class="_4 blank"> </span>abertura <span class="_4 blank"> </span>a <span class="_4 blank"> </span>cada <span class="_4 blank"> </span>lan<span class="_0 blank"> </span>ce <span class="_4 blank"> </span>ou <span class="_4 blank"> </span>a <span class="_4 blank"> </span>ação <span class="_4 blank"> </span>em <span class="_4 blank"> </span>que<span class="_0 blank"> </span> <span class="_4 blank"> </span>uma </div><div class="t m0 x2 h5 y27 ff1 fs4 fc0 sc0 ls1 ws2">porção da broca ou outro elemento cortante penetra uma formaçã<span class="_2 blank"></span>o de rocha).<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y28 ff1 fs4 fc0 sc0 ls1 ws2">Aerial ropewa<span class="_0 blank"> </span>y = <span class="_0 blank"> </span>teleféri<span class="_0 blank"> </span>co (sistema <span class="_0 blank"> </span>de <span class="_0 blank"> </span>transporte<span class="_0 blank"> </span> de <span class="_5 blank"> </span>caçambas suspens<span class="_0 blank"> </span>as, <span class="_0 blank"> </span>suportadas por<span class="_0 blank"> </span> <span class="_0 blank"> </span>cabos, </div><div class="t m0 x2 h5 y29 ff1 fs4 fc0 sc0 ls1 ws2">utilizado em locais de topografia acidentada ou montanhosa). </div><div class="t m0 x2 h5 y2a ff1 fs4 fc0 sc0 ls1 ws2">Aggregate = agregado (Coleção de grãos ou partículas de solo unidas em uma massa). </div><div class="t m0 x2 h5 y2b ff1 fs4 fc0 sc0 ls1 ws2">air <span class="_4 blank"> </span>duct <span class="_4 blank"> </span>= <span class="_4 blank"> </span>duto <span class="_4 blank"> </span>de <span class="_4 blank"> </span>ar <span class="_4 blank"> </span>(tubulação <span class="_4 blank"> </span>que <span class="_4 blank"> </span>conduz <span class="_4 blank"> </span>ar, <span class="_4 blank"> </span>geralmente <span class="_3 blank"> </span>a <span class="_4 blank"> </span>pa<span class="_0 blank"> </span>rtir <span class="_4 blank"> </span>de <span class="_4 blank"> </span>um <span class="_4 blank"> </span>ventilador <span class="_4 blank"> </span>auxiliar </div><div class="t m0 x2 h5 y2c ff1 fs4 fc0 sc0 ls1 ws2">como exigido na mina). </div><div class="t m0 x2 h5 y2d ff1 fs4 fc0 sc0 ls1 ws2">Air <span class="_7 blank"> </span>shaft <span class="_7 blank"> </span>= <span class="_7 blank"> </span>poço <span class="_7 blank"> </span>de <span class="_7 blank"> </span>ve<span class="_2 blank"></span>ntilação <span class="_7 blank"> </span>(Espaço <span class="_6 blank"> </span>abe<span class="_0 blank"> </span>rto <span class="_7 blank"> </span>cercado <span class="_7 blank"> </span>pelas <span class="_7 blank"> </span>pare<span class="_2 blank"></span>des <span class="_7 blank"> </span>de <span class="_7 blank"> </span>uma <span class="_7 blank"> </span>construção <span class="_7 blank"> </span>ou </div><div class="t m0 x2 h5 y2e ff1 fs4 fc0 sc0 ls1 ws2">construção para prover ventilação da<span class="_2 blank"></span> superfície para facilidade subterrânea como uma mina).<span class="_0 blank"> </span> </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><div class="t m0 x0 h1 y0 ff1 fs0 fc0 sc0 ls1 ws2">Glossário de <span class="_0 blank"> </span>Mine<span class="ls2 ws0">ra<span class="ls0 ws1">ção</span></span><span class="ff2"> </span></div><div class="t m0 x1 h2 y1 ff2 fs1 fc0 sc0 ls1 ws2">4 </div><div class="t m0 x2 h2 y2 ff2 fs1 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h5 y9 ff1 fs4 fc0 sc0 ls1 ws2">Airway = caminho de ventilação (pa<span class="_2 blank"></span>ssagem onde o ar circula ventilando uma mina). angle of </div><div class="t m0 x2 h5 ya ff1 fs4 fc0 sc0 ls1 ws2">break = ângulo de ruptura </div><div class="t m0 x2 h5 y2f ff1 fs4 fc0 sc0 ls1 ws2">Angle <span class="_4 blank"> </span>of <span class="_4 blank"> </span>dip <span class="_4 blank"> </span>= <span class="_4 blank"> </span>angulo <span class="_6 blank"> </span>de <span class="_4 blank"> </span>mergulho <span class="_4 blank"> </span>(Ângulo <span class="_4 blank"> </span>q<span class="_0 blank"> </span>ue <span class="_4 blank"> </span>a <span class="_4 blank"> </span>reta <span class="_4 blank"> </span>de <span class="_4 blank"> </span>máx<span class="_0 blank"> </span>imo <span class="_4 blank"> </span>declive <span class="_4 blank"> </span>do <span class="_4 blank"> </span>plano <span class="_4 blank"> </span>de <span class="_4 blank"> </span>uma<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y1d ff1 fs4 fc0 sc0 ls1 ws2">camada, estrato, falha ou veio faz com o plano horizontal). </div><div class="t m0 x2 h5 y30 ff1 fs4 fc0 sc0 ls1 ws2">Angle of draw = angulo de escoa<span class="_2 blank"></span>mento </div><div class="t m0 x2 h5 y31 ff1 fs4 fc0 sc0 ls1 ws2">Angle <span class="_4 blank"> </span>of <span class="_4 blank"> </span>friction <span class="_6 blank"> </span>= <span class="_6 blank"> </span>ângulo <span class="_4 blank"> </span>de <span class="_6 blank"> </span>atrito <span class="_4 blank"> </span>(ângulo <span class="_6 blank"> </span>entre <span class="_4 blank"> </span>a <span class="_6 blank"> </span>perpendicular <span class="_4 blank"> </span>a <span class="_6 blank"> </span>uma <span class="_4 blank"> </span>superfície <span class="_6 blank"> </span>e <span class="_4 blank"> </span>a <span class="_6 blank"> </span>força </div><div class="t m0 x2 h5 y32 ff1 fs4 fc0 sc0 ls1 ws2">resultante que age em um corpo sobre uma superfície, no qual o cor<span class="_2 blank"></span>po começa a deslizar).<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y33 ff1 fs4 fc0 sc0 ls1 ws2">Angle <span class="_5 blank"> </span>of <span class="_8 blank"> </span>internal <span class="_5 blank"> </span>friction <span class="_8 blank"> </span>= <span class="_5 blank"> </span>angulo <span class="_8 blank"> </span>de <span class="_5 blank"> </span>atrito <span class="_8 blank"> </span>interno <span class="_5 blank"> </span>(Ângulo <span class="_8 blank"> </span>entre <span class="_5 blank"> </span>a <span class="_8 blank"> </span>abscissa <span class="_5 blank"> </span>e <span class="_5 blank"> </span>a <span class="_8 blank"> </span>reta <span class="_5 blank"> </span>tangente <span class="_8 blank"> </span>a </div><div class="t m0 x2 h5 y34 ff1 fs4 fc0 sc0 ls1 ws2">uma <span class="_0 blank"> </span>curva <span class="_5 blank"> </span>que <span class="_5 blank"> </span>representa <span class="_5 blank"> </span>a <span class="_5 blank"> </span>relação <span class="_5 blank"> </span>da <span class="_5 blank"> </span>resistência <span class="_5 blank"> </span>ao <span class="_5 blank"> </span>cisalhamento <span class="_5 blank"> </span>com <span class="_5 blank"> </span>a <span class="_5 blank"> </span>tensão <span class="_0 blank"> </span>nor<span class="_5 blank"> </span>mal <span class="_5 blank"> </span>que <span class="_5 blank"> </span>age<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y35 ff1 fs4 fc0 sc0 ls1 ws2">no corpo). </div><div class="t m0 x2 h5 y36 ff1 fs4 fc0 sc0 ls1 ws2">Angle <span class="_7 blank"> </span>o<span class="_0 blank"> </span>f re<span class="_2 blank"></span>pose =<span class="_2 blank"></span> <span class="_7 blank"> </span>angulo de <span class="_7 blank"> </span>repouso (Inclinação <span class="_7 blank"> </span>máx<span class="_0 blank"> </span>ima <span class="_a blank"> </span>em que <span class="_7 blank"> </span>uma pilha <span class="_7 blank"> </span>de qualquer </div><div class="t m0 x2 h5 y37 ff1 fs4 fc0 sc0 ls1 ws2">material <span class="_b blank"> </span>sólido, <span class="_b blank"> </span>fragmentado <span class="_c blank"> </span>ou <span class="_b blank"> </span>solto, <span class="_b blank"> </span>se <span class="_c blank"> </span>manterá <span class="_b blank"> </span>s<span class="_0 blank"> </span>em <span class="_b blank"> </span>deslizar; <span class="_b blank"> </span>ou <span class="_c blank"> </span>se <span class="_b blank"> </span>imobil<span class="_0 blank"> </span>izará <span class="_b blank"> </span>quando </div><div class="t m0 x2 h5 y26 ff1 fs4 fc0 sc0 ls1 ws2">descarregado em uma pilha ou dec<span class="_2 blank"></span>live). </div><div class="t m0 x2 h5 y38 ff1 fs4 fc0 sc0 ls1 ws2">Angle of rest = ver angle of repose. </div><div class="t m0 x2 h5 y39 ff1 fs4 fc0 sc0 ls1 ws2"> Anisotropy <span class="_6 blank"> </span>= <span class="_6 blank"> </span>anisotropia <span class="_6 blank"> </span>(Propriedade <span class="_7 blank"> </span>mecânica <span class="_4 blank"> </span>que <span class="_7 blank"> </span>alguns <span class="_4 blank"> </span>materiais <span class="_6 blank"> </span>a<span class="_0 blank"> </span>presentam <span class="_6 blank"> </span>de <span class="_6 blank"> </span>valores<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y3a ff1 fs4 fc0 sc0 ls1 ws2">diferentes nas diferentes direções analisadas). </div><div class="t m0 x2 h5 y3b ff1 fs4 fc0 sc0 ls1 ws2">Aperture = <span class="_a blank"> </span>Abertura (Distância perpendicular entre <span class="_a blank"> </span>superfícies rochosas da descontinuidade </div><div class="t m0 x2 h5 y2b ff1 fs4 fc0 sc0 ls1 ws2">preenchida por ar ou água). </div><div class="t m0 x2 h5 y3c ff1 fs4 fc0 sc0 ls1 ws2">apparent density = ver bulk density </div><div class="t m0 x2 h5 y3d ff1 fs4 fc0 sc0 ls1 ws2">Apron <span class="_7 blank"> </span>feeder <span class="_a blank"> </span>= <span class="_7 blank"> </span>aliment<span class="_0 blank"> </span>ador <span class="_7 blank"> </span>de placas <span class="_7 blank"> </span>(dispositivo <span class="_a blank"> </span>de <span class="_a blank"> </span>alimentação <span class="_7 blank"> </span>de materia<span class="_2 blank"></span>l <span class="_7 blank"> </span>fragmentado, </div><div class="t m0 x2 h5 y3e ff1 fs4 fc0 sc0 ls1 ws2">constituído de <span class="_a blank"> </span>sistema de <span class="_7 blank"> </span>esteiras com placas <span class="_a blank"> </span>de metal <span class="_a blank"> </span>que arra<span class="_2 blank"></span>stam o materia<span class="_2 blank"></span>l, usao <span class="_a blank"> </span>para </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><div class="t m0 x0 h1 y0 ff1 fs0 fc0 sc0 ls1 ws2">Glossário de <span class="_0 blank"> </span>Mine<span class="ls2 ws0">ra<span class="ls0 ws1">ção</span></span><span class="ff2"> </span></div><div class="t m0 x1 h2 y1 ff2 fs1 fc0 sc0 ls1 ws2">5 </div><div class="t m0 x2 h2 y2 ff2 fs1 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h5 y9 ff1 fs4 fc0 sc0 ls1 ws2">materiais <span class="_8 blank"> </span>abrasivos, <span class="_3 blank"> </span>pesados <span class="_3 blank"> </span>e <span class="_8 blank"> </span>irre<span class="_0 blank"> </span>gulares, <span class="_8 blank"> </span>com <span class="_3 blank"> </span>alimentação <span class="_3 blank"> </span>constante, <span class="_8 blank"> </span>caso <span class="_3 blank"> </span>não <span class="_3 blank"> </span>existam <span class="_8 blank"> </span>falhas </div><div class="t m0 x2 h5 y3f ff1 fs4 fc0 sc0 ls1 ws2">no nível do silo). </div><div class="t m0 x2 h5 yb ff1 fs4 fc0 sc0 ls1 ws2">Aquifer <span class="_6 blank"> </span>= <span class="_4 blank"> </span>aqüífero <span class="_6 blank"> </span>(Roc<span class="_0 blank"> </span>ha <span class="_4 blank"> </span>permeável <span class="_6 blank"> </span>com <span class="_6 blank"> </span>ocorrência <span class="_6 blank"> </span>de <span class="_6 blank"> </span>água <span class="_6 blank"> </span>subterrân<span class="_0 blank"> </span>ea; <span class="_4 blank"> </span>pode <span class="_6 blank"> </span>ser <span class="_6 blank"> </span>livre <span class="_6 blank"> </span>ou<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 yc ff1 fs4 fc0 sc0 ls1 ws2">confinado, sendo que este último encontra-se entre camadas de rocha impermeável). </div><div class="t m0 x2 h5 y1e ff1 fs4 fc0 sc0 ls1 ws2">Arch = ver steel set </div><div class="t m0 x2 h5 y40 ff1 fs4 fc0 sc0 ls1 ws2">Arch <span class="_0 blank"> </span>c<span class="_0 blank"> </span>anopy <span class="_5 blank"> </span>= <span class="_5 blank"> </span>estrutura <span class="_8 blank"> </span>em <span class="_0 blank"> </span>arco <span class="_8 blank"> </span>(cobertura<span class="_2 blank"></span> <span class="_5 blank"> </span>em <span class="_5 blank"> </span>f<span class="_0 blank"> </span>orma <span class="_5 blank"> </span>de <span class="_5 blank"> </span>arco, <span class="_5 blank"> </span>qu<span class="_0 blank"> </span>e <span class="_5 blank"> </span>suporta <span class="_5 blank"> </span>o <span class="_8 blank"> </span>peso <span class="_0 blank"> </span>sobrejacente, </div><div class="t m0 x2 h5 y20 ff1 fs4 fc0 sc0 ls1 ws2">por <span class="_3 blank"> </span>exemplo, <span class="_3 blank"> </span>do <span class="_3 blank"> </span>maciço <span class="_3 blank"> </span>rochoso. <span class="_3 blank"> </span>Muito <span class="_4 blank"> </span>utilizada <span class="_3 blank"> </span>na <span class="_3 blank"> </span>mineração <span class="_3 blank"> </span>para <span class="_3 blank"> </span>sustentação, <span class="_3 blank"> </span>tem <span class="_3 blank"> </span>a <span class="_3 blank"> </span>forma </div><div class="t m0 x2 h5 y21 ff1 fs4 fc0 sc0 ls1 ws2">arredondada, acompanhando o formato de algumas galerias). </div><div class="t m0 x2 h5 y41 ff1 fs4 fc0 sc0 ls1 ws2">Artificial <span class="_3 blank"> </span>support <span class="_3 blank"> </span>= <span class="_3 blank"> </span>suporte <span class="_3 blank"> </span>artificial <span class="_3 blank"> </span>(Suporte <span class="_3 blank"> </span>f<span class="_0 blank"> </span>eito <span class="_3 blank"> </span>pelo <span class="_3 blank"> </span>homem, <span class="_3 blank"> </span>não <span class="_4 blank"> </span>natural, <span class="_3 blank"> </span>usado <span class="_3 blank"> </span>em <span class="_3 blank"> </span>minas </div><div class="t m0 x2 h5 y23 ff1 fs4 fc0 sc0 ls1 ws2">subterrâneas ou a céu aberto). </div><div class="t m0 x2 h5 y42 ff1 fs4 fc0 sc0 ls1 ws2">Artificially <span class="_8 blank"> </span>supported <span class="_3 blank"> </span>= <span class="_3 blank"> </span>suportado <span class="_3 blank"> </span>artificialmente <span class="_3 blank"> </span>(Diz-se <span class="_3 blank"> </span>de <span class="_3 blank"> </span>um <span class="_3 blank"> </span>apoio <span class="_3 blank"> </span>art<span class="_2 blank"></span>ificialmente <span class="_8 blank"> </span>mont<span class="_0 blank"> </span>ado </div><div class="t m0 x2 h5 y25 ff1 fs4 fc0 sc0 ls1 ws2">com <span class="_4 blank"> </span>o <span class="_6 blank"> </span>intuito <span class="_4 blank"> </span>de <span class="_6 blank"> </span>receber <span class="_4 blank"> </span>as <span class="_6 blank"> </span>tensões <span class="_6 blank"> </span>redistribuídas <span class="_4 blank"> </span>em <span class="_6 blank"> </span>uma <span class="_6 blank"> </span>abertura, <span class="_4 blank"> </span>seja <span class="_6 blank"> </span>ela <span class="_4 blank"> </span>um <span class="_6 blank"> </span>vão <span class="_6 blank"> </span>ou <span class="_4 blank"> </span>uma </div><div class="t m0 x2 h5 y43 ff1 fs4 fc0 sc0 ls1 ws2">escavação). </div><div class="t m0 x2 h5 y27 ff1 fs4 fc0 sc0 ls1 ws2"> Back = teto (limite superior de uma escavação subterrânea). Ver r<span class="_2 blank"></span>oof.<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y28 ff1 fs4 fc0 sc0 ls1 ws2">Backfill <span class="_d blank"> </span>= <span class="_d blank"> </span>enchimento <span class="_d blank"> </span>em <span class="_d blank"> </span>polpa, <span class="_d blank"> </span>enchimento <span class="_d blank"> </span>hidráulico, <span class="_d blank"> </span>aterro <span class="_d blank"> </span>de<span class="_2 blank"></span> <span class="_d blank"> </span>preenchimento <span class="_d blank"> </span>(Polpa </div><div class="t m0 x2 h5 y29 ff1 fs4 fc0 sc0 ls1 ws2">introduzida <span class="_b blank"> </span>na mina <span class="_b blank"> </span>subterrânea, <span class="_b blank"> </span>após <span class="_b blank"> </span>a <span class="_b blank"> </span>remoção <span class="_b blank"> </span>do mi<span class="_0 blank"> </span>nério, <span class="_b blank"> </span>para s<span class="_0 blank"> </span>ustentação do<span class="_0 blank"> </span> <span class="_b blank"> </span>teto da<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y44 ff1 fs4 fc0 sc0 ls1 ws2">escavação, constituída de estéril, areia ou outra rocha). </div><div class="t m0 x2 h5 y45 ff1 fs4 fc0 sc0 ls1 ws2">Backfill raise = pa<span class="_2 blank"></span>ssagem de enchimento (Esca<span class="_2 blank"></span>vação, inclinada ou vertica<span class="_2 blank"></span>l, utilizada como </div><div class="t m0 x2 h5 y46 ff1 fs4 fc0 sc0 ls1 ws2">passagem de polpa para enchimento). </div><div class="t m0 x2 h5 y47 ff1 fs4 fc0 sc0 ls1 ws2">Backfilling <span class="_9 blank"> </span>= <span class="_9 blank"> </span>colocação <span class="_9 blank"> </span>de <span class="_9 blank"> </span>enchimento <span class="_9 blank"> </span>hidráulico <span class="_9 blank"> </span>ou <span class="_9 blank"> </span>de <span class="_9 blank"> </span>aterro <span class="_9 blank"> </span>hidráulico <span class="_9 blank"> </span>(Proc<span class="_2 blank"></span>esso <span class="_9 blank"> </span>de </div><div class="t m0 x2 h5 y48 ff1 fs4 fc0 sc0 ls1 ws2">enchimento <span class="_6 blank"> </span>dos <span class="_6 blank"> </span>vazios, <span class="_7 blank"> </span>g<span class="_2 blank"></span>erados <span class="_6 blank"> </span>pelas <span class="_7 blank"> </span>fr<span class="_2 blank"></span>entes <span class="_6 blank"> </span>e <span class="_7 blank"> </span>g<span class="_2 blank"></span>alerias <span class="_6 blank"> </span>subterrâneas <span class="_6 blank"> </span>e <span class="_7 blank"> </span>cava <span class="_4 blank"> </span>d<span class="_0 blank"> </span>as <span class="_6 blank"> </span>minas <span class="_6 blank"> </span>a <span class="_7 blank"> </span>cé<span class="_2 blank"></span>u </div><div class="t m0 x2 h5 y49 ff1 fs4 fc0 sc0 ls1 ws2">aberto, com material esté<span class="_0 blank"> </span>ril, distribuído <span class="_0 blank"> </span>em polpa, com propósitos <span class="_0 blank"> </span>de sus<span class="_0 blank"> </span>tentação e recomposição </div><div class="t m0 x2 h5 y4a ff1 fs4 fc0 sc0 ls1 ws2">topográfica, respectivamente). </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf6" class="pf w0 h0" data-page-no="6"><div class="pc pc6 w0 h0"><div class="t m0 x0 h1 y0 ff1 fs0 fc0 sc0 ls1 ws2">Glossário de <span class="_0 blank"> </span>Mine<span class="ls2 ws0">ra<span class="ls0 ws1">ção</span></span><span class="ff2"> </span></div><div class="t m0 x1 h2 y1 ff2 fs1 fc0 sc0 ls1 ws2">6 </div><div class="t m0 x2 h2 y2 ff2 fs1 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h5 y9 ff1 fs4 fc0 sc0 ls1 ws2">Barge <span class="_7 blank"> </span>loader =<span class="_2 blank"></span> <span class="_a blank"> </span>carregador <span class="_7 blank"> </span>de barco <span class="_7 blank"> </span>(Sistema <span class="_a blank"> </span>de <span class="_a blank"> </span>carregamento <span class="_7 blank"> </span>de navios <span class="_7 blank"> </span>com minério <span class="_7 blank"> </span>para </div><div class="t m0 x2 h5 y3f ff1 fs4 fc0 sc0 ls1 ws2">transporte). </div><div class="t m0 x2 h5 yb ff1 fs4 fc0 sc0 ls1 ws2"> Barrier pillar = pilar<span class="_0 blank"> </span> barreira ou pil<span class="_0 blank"> </span>ar lateral (Pil<span class="_0 blank"> </span>ar natural, <span class="_0 blank"> </span>extenso, deix<span class="_0 blank"> </span>ado no corpo d<span class="_0 blank"> </span>e minéri<span class="_5 blank"> </span>o </div><div class="t m0 x2 h5 yc ff1 fs4 fc0 sc0 ls1 ws2">extenso <span class="_5 blank"> </span>para <span class="_5 blank"> </span>subdividi-lo <span class="_5 blank"> </span>em <span class="_5 blank"> </span>painéis <span class="_8 blank"> </span>ou <span class="_0 blank"> </span>salões <span class="_5 blank"> </span>menores <span class="_5 blank"> </span>onde <span class="_5 blank"> </span>cada <span class="_8 blank"> </span>um <span class="_0 blank"> </span>separa <span class="_5 blank"> </span>um <span class="_5 blank"> </span>salão <span class="_8 blank"> </span>do <span class="_0 blank"> </span>outro </div><div class="t m0 x2 h5 yd ff1 fs4 fc0 sc0 ls1 ws2">através <span class="_3 blank"> </span>de <span class="_4 blank"> </span>uma <span class="_3 blank"> </span>im<span class="_0 blank"> </span>ensa <span class="_4 blank"> </span>parede <span class="_3 blank"> </span>lateral <span class="_4 blank"> </span>para <span class="_4 blank"> </span>proteger <span class="_4 blank"> </span>contra <span class="_3 blank"> </span>ação <span class="_4 blank"> </span>da <span class="_4 blank"> </span>água <span class="_4 blank"> </span>e <span class="_3 blank"> </span>movi<span class="_0 blank"> </span>mentações <span class="_3 blank"> </span>em </div><div class="t m0 x2 h5 ye ff1 fs4 fc0 sc0 ls1 ws2">uma mina ou painel em relação a outro). </div><div class="t m0 x2 h5 y4b ff1 fs4 fc0 sc0 ls1 ws2">Bearing <span class="_3 blank"> </span>Capac<span class="_2 blank"></span>it<span class="_0 blank"> </span>y <span class="_8 blank"> </span>= <span class="_3 blank"> </span>Capacidade <span class="_3 blank"> </span>de <span class="_3 blank"> </span>Suporte <span class="_3 blank"> </span>(carga <span class="_3 blank"> </span>comum <span class="_3 blank"> </span>por <span class="_3 blank"> </span>unidade <span class="_8 blank"> </span>de <span class="_3 blank"> </span>área <span class="_3 blank"> </span>que <span class="_3 blank"> </span>uma <span class="_3 blank"> </span>rocha </div><div class="t m0 x2 h5 y4c ff1 fs4 fc0 sc0 ls1 ws2">pode suportar sem sofrer ruptura). </div><div class="t m0 x2 h5 y22 ff1 fs4 fc0 sc0 ls1 ws2"> Bearing <span class="_3 blank"> </span>plate <span class="_4 blank"> </span>= <span class="_4 blank"> </span>placa <span class="_3 blank"> </span>d<span class="_0 blank"> </span>e <span class="_3 blank"> </span>apoio <span class="_4 blank"> </span>(Chapa <span class="_4 blank"> </span>de <span class="_4 blank"> </span>aço <span class="_3 blank"> </span>para <span class="_4 blank"> </span>apoio <span class="_4 blank"> </span>da <span class="_3 blank"> </span>rocha <span class="_4 blank"> </span>ancorada <span class="_4 blank"> </span>que <span class="_3 blank"> </span>fic<span class="_0 blank"> </span>a <span class="_3 blank"> </span>entre <span class="_4 blank"> </span>a </div><div class="t m0 x2 h7 y4d ff4 fs4 fc0 sc0 ls1 ws2">rocha <span class="_6 blank"> </span>e <span class="_4 blank"> </span>a<span class="_0 blank"> </span> <span class="_6 blank"> </span>porca <span class="_6 blank"> </span>do <span class="_6 blank"> </span>parafuso <span class="_6 blank"> </span>de <span class="_6 blank"> </span>ancoragem, <span class="_6 blank"> </span>tendo <span class="_6 blank"> </span>uma <span class="_6 blank"> </span>espessura <span class="_6 blank"> </span>de <span class="_6 blank"> </span>¼\u201d <span class="_6 blank"> </span>a <span class="_6 blank"> </span>3/<span class="_5 blank"> </span>8\u201d <span class="_6 blank"> </span>e <span class="_6 blank"> </span>formato <span class="_6 blank"> </span>de </div><div class="t m0 x2 h7 y4e ff4 fs4 fc0 sc0 ls1 ws2">quadrado de <span class="_0 blank"> </span>6\u201d <span class="_0 blank"> </span>a 8\u201d <span class="_0 blank"> </span>d<span class="_0 blank"> </span>e a<span class="_0 blank"> </span>resta, projetada <span class="_0 blank"> </span>e <span class="_0 blank"> </span>construída <span class="_0 blank"> </span>para suportar <span class="_0 blank"> </span>determinada <span class="_0 blank"> </span>carga distribuída<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y4f ff1 fs4 fc0 sc0 ls1 ws2">em sua área, utilizada na ancoragem de maciços) </div><div class="t m0 x2 h5 y50 ff1 fs4 fc0 sc0 ls1 ws2">Bell <span class="_8 blank"> </span>= <span class="_3 blank"> </span>escavação <span class="_3 blank"> </span>em <span class="_8 blank"> </span>forma <span class="_3 blank"> </span>de <span class="_3 blank"> </span>sino <span class="_8 blank"> </span>(Escavação <span class="_3 blank"> </span>em <span class="_3 blank"> </span>forma <span class="_8 blank"> </span>de <span class="_3 blank"> </span>funil, <span class="_3 blank"> </span>construída <span class="_8 blank"> </span>no <span class="_3 blank"> </span>topo <span class="_3 blank"> </span>de <span class="_8 blank"> </span>uma<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y51 ff1 fs4 fc0 sc0 ls1 ws2">subida, para coletar minério desmontado usando somente o fluxo do material por gravidade). </div><div class="t m0 x2 h5 y52 ff1 fs4 fc0 sc0 ls1 ws2">Belt <span class="_3 blank"> </span>conveyor <span class="_3 blank"> </span>= <span class="_3 blank"> </span>transportador <span class="_3 blank"> </span>de <span class="_3 blank"> </span>correia, <span class="_4 blank"> </span>correia <span class="_3 blank"> </span>transportadora <span class="_3 blank"> </span>(Correia <span class="_3 blank"> </span>de <span class="_4 blank"> </span>borracha, <span class="_3 blank"> </span>apoiada </div><div class="t m0 x2 h5 y53 ff1 fs4 fc0 sc0 ls1 ws2">(ou não) sobre roletes que transporta minério ou estéril em uma mina). </div><div class="t m0 x2 h5 y54 ff1 fs4 fc0 sc0 ls1 ws2">Belt feede<span class="_2 blank"></span>r =<span class="_2 blank"></span> alimentador de <span class="_a blank"> </span>correias (dispositivo de<span class="_2 blank"></span> alimentaç<span class="_2 blank"></span>ão de<span class="_2 blank"></span> material fr<span class="_2 blank"></span>agmentado, </div><div class="t m0 x2 h5 y55 ff1 fs4 fc0 sc0 ls1 ws2">constituído <span class="_7 blank"> </span>de <span class="_7 blank"> </span>uma <span class="_a blank"> </span>correia <span class="_7 blank"> </span>transportadora <span class="_7 blank"> </span>curta, <span class="_a blank"> </span>utilizado <span class="_7 blank"> </span>para <span class="_a blank"> </span>granulometris <span class="_7 blank"> </span>fina <span class="_7 blank"> </span>e <span class="_7 blank"> </span>material </div><div class="t m0 x2 h5 y56 ff1 fs4 fc0 sc0 ls1 ws2">friável, sob alimentação constante). </div><div class="t m0 x2 h5 y57 ff1 fs4 fc0 sc0 ls1 ws2"> Bench <span class="_8 blank"> </span>= <span class="_8 blank"> </span>banco <span class="_8 blank"> </span>(porção <span class="_8 blank"> </span>de <span class="_8 blank"> </span>rocha <span class="_8 blank"> </span>que, <span class="_8 blank"> </span>em <span class="_8 blank"> </span>minas <span class="_8 blank"> </span>a <span class="_8 blank"> </span>céu <span class="_8 blank"> </span>aberto <span class="_8 blank"> </span>ou <span class="_8 blank"> </span>em <span class="_8 blank"> </span>pedreiras, <span class="_8 blank"> </span>forma <span class="_8 blank"> </span>um <span class="_8 blank"> </span>nível </div><div class="t m0 x2 h5 y58 ff1 fs4 fc0 sc0 ls1 ws2">simples <span class="_5 blank"> </span>de <span class="_8 blank"> </span>operação, <span class="_5 blank"> </span>acima <span class="_8 blank"> </span>do <span class="_5 blank"> </span>qual <span class="_5 blank"> </span>o <span class="_8 blank"> </span>minério <span class="_5 blank"> </span>ou <span class="_8 blank"> </span>o <span class="_5 blank"> </span>estéril <span class="_8 blank"> </span>é <span class="_5 blank"> </span>escavado <span class="_5 blank"> </span>de <span class="_8 blank"> </span>um <span class="_5 blank"> </span>banco <span class="_8 blank"> </span>contíguo <span class="_0 blank"> </span>o<span class="_0 blank"> </span>u </div><div class="t m0 x2 h5 y59 ff1 fs4 fc0 sc0 ls1 ws2">da face do banco). </div><div class="t m0 x2 h5 y5a ff1 fs4 fc0 sc0 ls1 ws2">Bench <span class="_3 blank"> </span>Mining <span class="_4 blank"> </span>= <span class="_3 blank"> </span>lavra <span class="_3 blank"> </span>subt<span class="_0 blank"> </span>errânea <span class="_3 blank"> </span>por <span class="_3 blank"> </span>de<span class="_0 blank"> </span>graus <span class="_3 blank"> </span>(variante <span class="_3 blank"> </span>da <span class="_4 blank"> </span>lavra <span class="_3 blank"> </span>por <span class="_4 blank"> </span>corte <span class="_3 blank"> </span>e <span class="_4 blank"> </span>enchimento, <span class="_3 blank"> </span>qu<span class="_5 blank"> </span><span class="ls3">e </span></div><div class="t m0 x2 h5 y5b ff1 fs4 fc0 sc0 ls1 ws2">permite a extração de fatias maiores de minério que o método conve<span class="_2 blank"></span>ncional). </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf7" class="pf w0 h0" data-page-no="7"><div class="pc pc7 w0 h0"><div class="t m0 x0 h1 y0 ff1 fs0 fc0 sc0 ls1 ws2">Glossário de <span class="_0 blank"> </span>Mine<span class="ls2 ws0">ra<span class="ls0 ws1">ção</span></span><span class="ff2"> </span></div><div class="t m0 x1 h2 y1 ff2 fs1 fc0 sc0 ls1 ws2">7 </div><div class="t m0 x2 h2 y2 ff2 fs1 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h5 y9 ff1 fs4 fc0 sc0 ls1 ws2">Benching <span class="_5 blank"> </span>= <span class="_8 blank"> </span>formação <span class="_5 blank"> </span>de <span class="_8 blank"> </span>bancos <span class="_5 blank"> </span>(Lavra <span class="_5 blank"> </span>d<span class="_0 blank"> </span>e <span class="_5 blank"> </span>cama<span class="_0 blank"> </span>das <span class="_5 blank"> </span>mais <span class="_8 blank"> </span>espessas <span class="_5 blank"> </span>em <span class="_8 blank"> </span>mina <span class="_5 blank"> </span>subterrânea <span class="_8 blank"> </span>a <span class="_5 blank"> </span>partir </div><div class="t m0 x2 h5 y3f ff1 fs4 fc0 sc0 ls1 ws2">do piso de carvão ou de pequenos bancos). </div><div class="t m0 x2 h5 yb ff1 fs4 fc0 sc0 ls1 ws2">Beneficiation <span class="_0 blank"> </span>= <span class="_5 blank"> </span>beneficiamento <span class="_5 blank"> </span>(Melhoria <span class="_0 blank"> </span>das <span class="_5 blank"> </span>pro<span class="_0 blank"> </span>priedades <span class="_0 blank"> </span>químicas <span class="_5 blank"> </span>e/ou <span class="_5 blank"> </span>físicas <span class="_0 blank"> </span>de <span class="_5 blank"> </span>um <span class="_5 blank"> </span>minério </div><div class="t m0 x2 h5 yc ff1 fs4 fc0 sc0 ls1 ws2">de tal modo que o metal ou substância valiosa possam ser recuperados com fins lucrativos). </div><div class="t m0 x2 h5 y1e ff1 fs4 fc0 sc0 ls1 ws2">Bin <span class="_8 blank"> </span>= <span class="_3 blank"> </span>silo <span class="_3 blank"> </span>(Espaço <span class="_8 blank"> </span>fechado, <span class="_8 blank"> </span>caixa <span class="_3 blank"> </span>ou <span class="_3 blank"> </span>estrutura <span class="_8 blank"> </span>para <span class="_8 blank"> </span>armazenamento <span class="_8 blank"> </span>de <span class="_3 blank"> </span>substância <span class="_8 blank"> </span>fragmentada </div><div class="t m0 x2 h5 y1f ff1 fs4 fc0 sc0 ls1 ws2">ou a granel). </div><div class="t m0 x2 h5 y20 ff1 fs4 fc0 sc0 ls1 ws2">Binder <span class="_0 blank"> </span>= <span class="_0 blank"> </span>Aglomerante <span class="_5 blank"> </span>(Qualquer <span class="_0 blank"> </span>material, <span class="_5 blank"> </span>com <span class="_5 blank"> </span>exceção d<span class="_0 blank"> </span>a <span class="_0 blank"> </span>água, <span class="_0 blank"> </span>adi<span class="_0 blank"> </span>cionado <span class="_0 blank"> </span>a <span class="_5 blank"> </span>areia <span class="_0 blank"> </span>de <span class="_0 blank"> </span>fundição </div><div class="t m0 x2 h5 y21 ff1 fs4 fc0 sc0 ls1 ws2">com a finalidade de unir partículas). </div><div class="t m0 x2 h5 y41 ff1 fs4 fc0 sc0 ls1 ws2">Bit <span class="_8 blank"> </span>= <span class="_8 blank"> </span>broca <span class="_3 blank"> </span>(dispositivo <span class="_8 blank"> </span>acoplado <span class="_8 blank"> </span>à <span class="_8 blank"> </span>h<span class="_0 blank"> </span>aste <span class="_8 blank"> </span>de <span class="_8 blank"> </span>p<span class="_0 blank"> </span>erfuração, <span class="_8 blank"> </span>utilizado <span class="_8 blank"> </span>como <span class="_3 blank"> </span>ferramenta <span class="_8 blank"> </span>de <span class="_8 blank"> </span>corte <span class="_8 blank"> </span>na<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y23 ff1 fs4 fc0 sc0 ls1 ws2">execução de furos em maciços rochosos). </div><div class="t m0 x2 h5 y42 ff1 fs4 fc0 sc0 ls1 ws2">Blader = ver grader </div><div class="t m0 x2 h5 y37 ff1 fs4 fc0 sc0 ls1 ws2">Bleeder <span class="_7 blank"> </span>openin<span class="_0 blank"> </span>g = <span class="_7 blank"> </span>Galeria de <span class="_7 blank"> </span>sangramento, galeria <span class="_7 blank"> </span>de exaustão de<span class="_2 blank"></span> <span class="_a blank"> </span>gases (Esca<span class="_2 blank"></span>vação usada </div><div class="t m0 x2 h5 y26 ff1 fs4 fc0 sc0 ls1 ws2">principalmente em minas de carvão com a finalidade de exaurir ga<span class="_2 blank"></span>ses).<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y38 ff1 fs4 fc0 sc0 ls1 ws2">Blending <span class="_7 blank"> </span>= <span class="_7 blank"> </span>blendagem <span class="_7 blank"> </span>(Mistura <span class="_7 blank"> </span>em <span class="_7 blank"> </span>quantidades <span class="_7 blank"> </span>predeterminadas <span class="_7 blank"> </span>e <span class="_7 blank"> </span>controladas <span class="_7 blank"> </span>par<span class="_5 blank"> </span>a <span class="_7 blank"> </span>dar <span class="_7 blank"> </span>um </div><div class="t m0 x2 h5 y28 ff1 fs4 fc0 sc0 ls1 ws2">produto uniforme em teor ou granulometria). </div><div class="t m0 x2 h5 y3a ff1 fs4 fc0 sc0 ls1 ws2">Blind <span class="_8 blank"> </span>shaft <span class="_3 blank"> </span>= <span class="_3 blank"> </span>poço <span class="_8 blank"> </span>cego <span class="_3 blank"> </span>(Abertura <span class="_8 blank"> </span>ou<span class="_0 blank"> </span> <span class="_3 blank"> </span>passagem <span class="_3 blank"> </span>vertical <span class="_8 blank"> </span>ou <span class="_3 blank"> </span>fortemente <span class="_8 blank"> </span>in<span class="_0 blank"> </span>clinada, <span class="_3 blank"> </span>dirigida <span class="_8 blank"> </span>para </div><div class="t m0 x2 h5 y2a ff1 fs4 fc0 sc0 ls1 ws2">conectar um local de trabalho na mina com outro nível mais baixo). </div><div class="t m0 x2 h5 y2b ff1 fs4 fc0 sc0 ls1 ws2">Block = bloco<span class="_0 blank"> </span> (Divisão <span class="_0 blank"> </span>da mina <span class="_0 blank"> </span>usualmente <span class="_0 blank"> </span>limitada pela<span class="_0 blank"> </span> lavra, mas<span class="_0 blank"> </span> al<span class="_0 blank"> </span>gumas vezes p<span class="_0 blank"> </span>elos limites </div><div class="t m0 x2 h5 y2c ff1 fs4 fc0 sc0 ls1 ws2">da pesquisa ou outros limites arbitrários). </div><div class="t m0 x2 h5 y2d ff1 fs4 fc0 sc0 ls1 ws2">Block caving = abatimento <span class="_b blank"> </span>em blocos (método de <span class="_b blank"> </span>lavra aplicável a <span class="_b blank"> </span>corpos de minério de<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y2e ff1 fs4 fc0 sc0 ls1 ws2">pequeno <span class="_6 blank"> </span>mer<span class="_0 blank"> </span>gulho, <span class="_6 blank"> </span>bas<span class="_0 blank"> </span>eado <span class="_7 blank"> </span>no <span class="_6 blank"> </span>abatimento <span class="_7 blank"> </span>do <span class="_6 blank"> </span>teto <span class="_7 blank"> </span>da <span class="_7 blank"> </span>e<span class="_2 blank"></span>scavação <span class="_7 blank"> </span>e <span class="_6 blank"> </span>do <span class="_7 blank"> </span>transporte <span class="_7 blank"> </span>do <span class="_6 blank"> </span>mate<span class="_0 blank"> </span>rial </div><div class="t m0 x2 h5 y5c ff1 fs4 fc0 sc0 ls1 ws2">fragmentado por gravidade). </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf8" class="pf w0 h0" data-page-no="8"><div class="pc pc8 w0 h0"><div class="t m0 x0 h1 y0 ff1 fs0 fc0 sc0 ls1 ws2">Glossário de <span class="_0 blank"> </span>Mine<span class="ls2 ws0">ra<span class="ls0 ws1">ção</span></span><span class="ff2"> </span></div><div class="t m0 x1 h2 y1 ff2 fs1 fc0 sc0 ls1 ws2">8 </div><div class="t m0 x2 h2 y2 ff2 fs1 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h5 y9 ff1 fs4 fc0 sc0 ls1 ws2">Blocky <span class="_7 blank"> </span>= <span class="_a blank"> </span>contendo <span class="_a blank"> </span>blocos <span class="_a blank"> </span>(Diz-se <span class="_a blank"> </span>da <span class="_a blank"> </span>porção <span class="_a blank"> </span>de <span class="_a blank"> </span>rocha <span class="_7 blank"> </span>que sofr<span class="_2 blank"></span>eu <span class="_a blank"> </span>fraturamentos <span class="_7 blank"> </span>no teto <span class="_7 blank"> </span>da </div><div class="t m0 x2 h5 y3f ff1 fs4 fc0 sc0 ls1 ws2">escavação, <span class="_3 blank"> </span>formando <span class="_6 blank"> </span>grandes <span class="_3 blank"> </span>fragmentos <span class="_6 blank"> </span>de <span class="_4 blank"> </span>rocha <span class="_4 blank"> </span>intacta <span class="_3 blank"> </span>que <span class="_4 blank"> </span>são <span class="_4 blank"> </span>int<span class="_0 blank"> </span>eiramente <span class="_4 blank"> </span>separados <span class="_4 blank"> </span>uns </div><div class="t m0 x2 h5 y5d ff1 fs4 fc0 sc0 ls1 ws2">dos outros e que devem ser contidos por suportes). </div><div class="t m0 x2 h5 yc ff1 fs4 fc0 sc0 ls1 ws2">Bolting <span class="_3 blank"> </span>machine <span class="_4 blank"> </span>= <span class="_3 blank"> </span>maquina <span class="_4 blank"> </span>de <span class="_4 blank"> </span>aparafusamento <span class="_4 blank"> </span>(Maquina <span class="_3 blank"> </span>constituída <span class="_4 blank"> </span>de <span class="_4 blank"> </span>uma <span class="_3 blank"> </span>caixa <span class="_4 blank"> </span>ou <span class="_4 blank"> </span>bobina </div><div class="t m0 x2 h5 yd ff1 fs4 fc0 sc0 ls1 ws2">colocada <span class="_8 blank"> </span>numa <span class="_8 blank"> </span>posição <span class="_8 blank"> </span>inclinada, <span class="_8 blank"> </span>e <span class="_8 blank"> </span>que <span class="_8 blank"> </span>faz <span class="_3 blank"> </span>gira<span class="_2 blank"></span>r <span class="_8 blank"> </span>rapidamente <span class="_8 blank"> </span>para <span class="_8 blank"> </span>dentro <span class="_8 blank"> </span>dos <span class="_8 blank"> </span>furos <span class="_8 blank"> </span>s<span class="_0 blank"> </span>eis <span class="_8 blank"> </span>barras </div><div class="t m0 x2 h5 ye ff1 fs4 fc0 sc0 ls1 ws2">de madeira, chamadas batedores). </div><div class="t m0 x2 h5 y4b ff1 fs4 fc0 sc0 ls1 ws2">Bolting rig = maquina de atirantamento (Dispositivo de lavr<span class="_2 blank"></span>a ou de atirantamento hábil para girar </div><div class="t m0 x2 h5 y4c ff1 fs4 fc0 sc0 ls1 ws2">através de uma faixa de inclinações para instalar tirantes em escavaçõe<span class="_2 blank"></span>s subterrâneas).<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y22 ff1 fs4 fc0 sc0 ls1 ws2">Boom <span class="_8 blank"> </span>= <span class="_5 blank"> </span>lança <span class="_8 blank"> </span>(Longo <span class="_8 blank"> </span>braço <span class="_5 blank"> </span>metálico <span class="_8 blank"> </span>ajustável, <span class="_8 blank"> </span>de <span class="_8 blank"> </span>uma <span class="_8 blank"> </span>perfuratriz <span class="_8 blank"> </span>móvel, <span class="_5 blank"> </span>em <span class="_8 blank"> </span>que <span class="_8 blank"> </span>a <span class="_8 blank"> </span>perfura<span class="_2 blank"></span>triz<span class="_5 blank"> </span> </div><div class="t m0 x2 h5 y4d ff1 fs4 fc0 sc0 ls1 ws2">para abertura de cabeceiras ou outros tipos de perfuratrizes pneumática<span class="_2 blank"></span>s são montadas).<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y24 ff1 fs4 fc0 sc0 ls1 ws2">Bord and <span class="_0 blank"> </span>pillar mi<span class="_0 blank"> </span>ning = <span class="_0 blank"> </span>lavra <span class="_0 blank"> </span>com <span class="_0 blank"> </span>diminuição dos <span class="_0 blank"> </span>pilares <span class="_0 blank"> </span>(lavra por <span class="_0 blank"> </span>câm<span class="_0 blank"> </span>aras e <span class="_0 blank"> </span>pilares <span class="_0 blank"> </span>em recuo </div><div class="t m0 x2 h5 y5e ff1 fs4 fc0 sc0 ls1 ws2">com redução das dimensões dos pilares). </div><div class="t m0 x2 h5 y43 ff1 fs4 fc0 sc0 ls1 ws2">Borer = perfuratriz utilizada para furos acima de 40cm de diâmetro. </div><div class="t m0 x2 h5 y27 ff1 fs4 fc0 sc0 ls1 ws2"> Bottom = piso (Parte inferior de qualquer cavidade de mineraçã<span class="_2 blank"></span>o subterrânea). </div><div class="t m0 x2 h5 y28 ff1 fs4 fc0 sc0 ls1 ws2"> Bottom level = nível de base (último nível da mina). </div><div class="t m0 x2 h5 y3a ff1 fs4 fc0 sc0 ls1 ws2">Bounce <span class="_4 blank"> </span>= <span class="_6 blank"> </span>desabamento <span class="_7 blank"> </span>(r<span class="_2 blank"></span>uptura <span class="_4 blank"> </span>súbita <span class="_6 blank"> </span>ao <span class="_6 blank"> </span>lon<span class="_0 blank"> </span>go <span class="_6 blank"> </span>das <span class="_4 blank"> </span>faces <span class="_6 blank"> </span>de <span class="_6 blank"> </span>apoios <span class="_6 blank"> </span>e <span class="_6 blank"> </span>pilares, <span class="_6 blank"> </span>devido <span class="_6 blank"> </span>a <span class="_6 blank"> </span>um<span class="_0 blank"> </span><span class="ls3">a </span></div><div class="t m0 x2 h5 y2a ff1 fs4 fc0 sc0 ls1 ws2">pressão excessiva). </div><div class="t m0 x2 h5 y2b ff1 fs4 fc0 sc0 ls1 ws2">Boxhole <span class="_5 blank"> </span>= <span class="_5 blank"> </span>gaveta <span class="_8 blank"> </span>(Subida <span class="_0 blank"> </span>cu<span class="_0 blank"> </span>rta <span class="_5 blank"> </span>ou <span class="_5 blank"> </span>abertura <span class="_8 blank"> </span>realizada <span class="_5 blank"> </span>acima <span class="_5 blank"> </span>de <span class="_5 blank"> </span>uma<span class="_0 blank"> </span> <span class="_5 blank"> </span>galeria <span class="_5 blank"> </span>com <span class="_8 blank"> </span>a <span class="_5 blank"> </span>finalidade <span class="_5 blank"> </span>de </div><div class="t m0 x2 h5 y2c ff1 fs4 fc0 sc0 ls1 ws2">armazenar minério vindo do realce ou permitir acesso a ele)<span class="_2 blank"></span>. </div><div class="t m0 x2 h5 y2d ff1 fs4 fc0 sc0 ls1 ws2">Branche <span class="_7 blank"> </span>= <span class="_a blank"> </span>ramificação <span class="_7 blank"> </span>(via de<span class="_2 blank"></span> <span class="_7 blank"> </span>menores dime<span class="_2 blank"></span>nsões <span class="_7 blank"> </span>que pa<span class="_2 blank"></span>rte <span class="_7 blank"> </span>de dua<span class="_2 blank"></span>s <span class="_7 blank"> </span>outras vias <span class="_7 blank"> </span>p<span class="_0 blank"> </span>rincipais </div><div class="t m0 x2 h5 y2e ff1 fs4 fc0 sc0 ls1 ws2">maiores e de desvios sucessivos, visando atingir o corpo de minério)<span class="_2 blank"></span>.<span class="_0 blank"> </span> </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf9" class="pf w0 h0" data-page-no="9"><div class="pc pc9 w0 h0"><div class="t m0 x0 h1 y0 ff1 fs0 fc0 sc0 ls1 ws2">Glossário de <span class="_0 blank"> </span>Mine<span class="ls2 ws0">ra<span class="ls0 ws1">ção</span></span><span class="ff2"> </span></div><div class="t m0 x1 h2 y1 ff2 fs1 fc0 sc0 ls1 ws2">9 </div><div class="t m0 x2 h2 y2 ff2 fs1 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h5 y9 ff1 fs4 fc0 sc0 ls1 ws2">Break <span class="_0 blank"> </span>an<span class="_0 blank"> </span>gle <span class="_0 blank"> </span>= <span class="_8 blank"> </span>ângulo <span class="_0 blank"> </span>de <span class="_5 blank"> </span>ruptura <span class="_5 blank"> </span>(ângulo <span class="_5 blank"> </span>entre <span class="_0 blank"> </span>a<span class="_0 blank"> </span> <span class="_5 blank"> </span>vertical <span class="_5 blank"> </span>e <span class="_5 blank"> </span>o <span class="_5 blank"> </span>ponto <span class="_5 blank"> </span>da <span class="_5 blank"> </span>superfície <span class="_5 blank"> </span>que <span class="_5 blank"> </span>apresenta <span class="_5 blank"> </span>o </div><div class="t m0 x2 h5 y3f ff1 fs4 fc0 sc0 ls1 ws2">maior valor de tensão de tração). </div><div class="t m0 x2 h5 yb ff1 fs4 fc0 sc0 ls1 ws2">Breaker <span class="_7 blank"> </span>= <span class="_7 blank"> </span>rompedor <span class="_7 blank"> </span>(Máquina <span class="_7 blank"> </span>utiliz<span class="_0 blank"> </span>ada <span class="_7 blank"> </span>em <span class="_7 blank"> </span>operações <span class="_7 blank"> </span>subterrâneas <span class="_7 blank"> </span>para <span class="_a blank"> </span>quebrar <span class="_7 blank"> </span>minério <span class="_7 blank"> </span>de </div><div class="t m0 x2 h5 yc ff1 fs4 fc0 sc0 ls1 ws2">tamanho superior ao da abertura do dispositivo de graduação ou para ser destinado ao </div><div class="t m0 x2 h5 y1e ff1 fs4 fc0 sc0 ls1 ws2">Breaking <span class="_3 blank"> </span>= <span class="_4 blank"> </span>Ruptura <span class="_4 blank"> </span>(Pr<span class="_0 blank"> </span>ocesso <span class="_4 blank"> </span>pelo <span class="_4 blank"> </span>qual <span class="_4 blank"> </span>um <span class="_4 blank"> </span>sólido <span class="_4 blank"> </span>perde <span class="_4 blank"> </span>a <span class="_4 blank"> </span>capacidade <span class="_4 blank"> </span>de <span class="_4 blank"> </span>transmitir <span class="_4 blank"> </span>qualquer </div><div class="t m0 x2 h5 y1f ff1 fs4 fc0 sc0 ls1 ws2">carga, po<span class="_0 blank"> </span>r <span class="_b blank"> </span>se <span class="_b blank"> </span>dividir <span class="_b blank"> </span>e<span class="_0 blank"> </span>m <span class="_b blank"> </span>fragmentos <span class="_b blank"> </span>atrav<span class="_0 blank"> </span>és <span class="_b blank"> </span>de <span class="_b blank"> </span>planos <span class="_c blank"> </span>de <span class="_b blank"> </span>fratura, <span class="_b blank"> </span>resultantes <span class="_c blank"> </span>da <span class="_b blank"> </span>perda <span class="_b blank"> </span>de </div><div class="t m0 x2 h5 y4b ff1 fs4 fc0 sc0 ls1 ws2">resistência por aplicação de tensões externas). </div><div class="t m0 x2 h5 y21 ff1 fs4 fc0 sc0 ls1 ws2">Breaking Stre<span class="_2 blank"></span>ss = Tensão <span class="_a blank"> </span>de ruptura (Máxima tensã<span class="_2 blank"></span>o à qua<span class="_2 blank"></span>l um corpo de<span class="_2 blank"></span> prova <span class="_a blank"> </span>pode ser </div><div class="t m0 x2 h5 y22 ff1 fs4 fc0 sc0 ls1 ws2">submetido sem que haja ruptura do mesmo). </div><div class="t m0 x2 h5 y23 ff1 fs4 fc0 sc0 ls1 ws2">Breast <span class="_8 blank"> </span>= <span class="_8 blank"> </span>avanço <span class="_5 blank"> </span>front<span class="_0 blank"> </span>al <span class="_8 blank"> </span>(Avanço <span class="_8 blank"> </span>em <span class="_8 blank"> </span>uma <span class="_8 blank"> </span>direção <span class="_8 blank"> </span>semi-horizontal; <span class="_8 blank"> </span>também <span class="_8 blank"> </span>a <span class="_8 blank"> </span>face <span class="_8 blank"> </span>ativa <span class="_5 blank"> </span>de <span class="_8 blank"> </span>uma </div><div class="t m0 x2 h5 y24 ff1 fs4 fc0 sc0 ls1 ws2">abertura). </div><div class="t m0 x2 h5 y25 ff1 fs4 fc0 sc0 ls1 ws2">Breast <span class="_3 blank"> </span>Stoping <span class="_4 blank"> </span>= <span class="_3 blank"> </span>lavra <span class="_4 blank"> </span>frontal <span class="_3 blank"> </span>(Método <span class="_4 blank"> </span>de <span class="_3 blank"> </span>lavra <span class="_4 blank"> </span>subterrânea <span class="_3 blank"> </span>aplicado <span class="_4 blank"> </span>quando <span class="_4 blank"> </span>a <span class="_3 blank"> </span>inclinação <span class="_4 blank"> </span>das </div><div class="t m0 x2 h5 y43 ff1 fs4 fc0 sc0 ls1 ws2">camadas <span class="_e blank"> </span>ou <span class="_d blank"> </span>ve<span class="_2 blank"></span>io <span class="_e blank"> </span>não <span class="_d blank"> </span>é <span class="_e blank"> </span>suficiente <span class="_d blank"> </span>para <span class="_c blank"> </span>que <span class="_d blank"> </span>o <span class="_e blank"> </span>minério <span class="_d blank"> </span>de<span class="_2 blank"></span>smontado <span class="_d blank"> </span>se<span class="_2 blank"></span>ja <span class="_e blank"> </span>transportado <span class="_d blank"> </span>por </div><div class="t m0 x2 h5 y5f ff1 fs4 fc0 sc0 ls1 ws2">gravidade). </div><div class="t m0 x2 h5 y60 ff1 fs4 fc0 sc0 ls1 ws2">breather tube <span class="_0 blank"> </span>= <span class="_0 blank"> </span>mangueira <span class="_0 blank"> </span>de r<span class="_0 blank"> </span>espiro (Tubo<span class="_0 blank"> </span> <span class="_0 blank"> </span>usado <span class="_0 blank"> </span>com <span class="_0 blank"> </span>tirante p<span class="_0 blank"> </span>ara permitir <span class="_0 blank"> </span>a <span class="_0 blank"> </span>saída <span class="_0 blank"> </span>de <span class="_0 blank"> </span>ar <span class="_0 blank"> </span>do <span class="_0 blank"> </span>furo </div><div class="t m0 x2 h5 y61 ff1 fs4 fc0 sc0 ls1 ws2">de <span class="_8 blank"> </span>injeção, <span class="_3 blank"> </span>também <span class="_8 blank"> </span>para<span class="_0 blank"> </span> <span class="_3 blank"> </span>adquirir <span class="_8 blank"> </span>uma <span class="_3 blank"> </span>indicação <span class="_8 blank"> </span>positiva <span class="_3 blank"> </span>do <span class="_3 blank"> </span>prog<span class="_2 blank"></span>resso <span class="_3 blank"> </span>do <span class="_8 blank"> </span>graute <span class="_3 blank"> </span>por <span class="_8 blank"> </span>indicação </div><div class="t m0 x2 h5 y54 ff1 fs4 fc0 sc0 ls1 ws2">visual do escape de ar, e eventualmente do retorno do graute pelo tubo quando o furo está cheio). </div><div class="t m0 x2 h5 y62 ff1 fs4 fc0 sc0 ls1 ws2">Bridge = ponte ou arco <span class="_0 blank"> </span>(Conjunto <span class="_0 blank"> </span>de fragmentos ou pedaços de roch<span class="_0 blank"> </span>a que obst<span class="_0 blank"> </span>rui a passagem em </div><div class="t m0 x2 h5 y63 ff1 fs4 fc0 sc0 ls1 ws2">escavações com fluxo por gravidade, como em passagens de<span class="_2 blank"></span> minério ou em furos de sonda). </div><div class="t m0 x2 h5 y64 ff1 fs4 fc0 sc0 ls1 ws2">Brittle <span class="_e blank"> </span>= <span class="_d blank"> </span>frágil <span class="_e blank"> </span>(Característica <span class="_e blank"> </span>re<span class="_0 blank"> </span>lacionada <span class="_d blank"> </span>a<span class="_2 blank"></span> <span class="_d blank"> </span>mate<span class="_2 blank"></span>riais <span class="_e blank"> </span>que <span class="_d blank"> </span>têm <span class="_e blank"> </span>pequena <span class="_d blank"> </span>tendência <span class="_e blank"> </span>em <span class="_e blank"> </span>s<span class="_0 blank"> </span>e </div><div class="t m0 x2 h5 y65 ff1 fs4 fc0 sc0 ls1 ws2">deformar, sendo, portanto, pouco plásticos, quando submetidos a esforços). </div><div class="t m0 x2 h5 y49 ff1 fs4 fc0 sc0 ls1 ws2">Brittle <span class="_3 blank"> </span>behavior <span class="_8 blank"> </span>= <span class="_3 blank"> </span>comportamento <span class="_3 blank"> </span>frágil <span class="_3 blank"> </span>(Resposta <span class="_3 blank"> </span>de <span class="_3 blank"> </span>uma <span class="_8 blank"> </span>rocha <span class="_3 blank"> </span>a <span class="_3 blank"> </span>tensões <span class="_3 blank"> </span>elásticas, <span class="_3 blank"> </span>durante <span class="_8 blank"> </span>a </div><div class="t m0 x2 h5 y4a ff1 fs4 fc0 sc0 ls1 ws2">qual ela perde continuidade, sem deformação permanente). </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pfa" class="pf w0 h0" data-page-no="a"><div class="pc pca w0 h0"><div class="t m0 x0 h1 y0 ff1 fs0 fc0 sc0 ls1 ws2">Glossário de <span class="_0 blank"> </span>Mine<span class="ls2 ws0">ra<span class="ls0 ws1">ção</span></span><span class="ff2"> </span></div><div class="t m0 x6 h2 y1 ff2 fs1 fc0 sc0 ls4 ws4">10<span class="ls1 ws2"> </span></div><div class="t m0 x2 h2 y2 ff2 fs1 fc0 sc0 ls1 ws2"> </div><div class="t m0 x2 h5 y9 ff1 fs4 fc0 sc0 ls1 ws2">Bucket <span class="_3 blank"> </span>= <span class="_3 blank"> </span>Caça<span class="_2 blank"></span>mba <span class="_3 blank"> </span>(Recipiente <span class="_3 blank"> </span>de <span class="_3 blank"> </span>equipamentos <span class="_3 blank"> </span>para <span class="_8 blank"> </span>escavação, <span class="_3 blank"> </span>carregamento <span class="_3 blank"> </span>e/ou <span class="_3 blank"> </span>transporte </div><div class="t m0 x2 h5 y3f ff1 fs4 fc0 sc0 ls1 ws2">de material como minério ou carvã<span class="_2 blank"></span>o).<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 yb ff1 fs4 fc0 sc0 ls1 ws2">Buckling <span class="_6 blank"> </span>= <span class="_6 blank"> </span>flexão, <span class="_6 blank"> </span>flambagem <span class="_6 blank"> </span>(Deformação <span class="_7 blank"> </span>do <span class="_4 blank"> </span>tipo <span class="_7 blank"> </span>curva<span class="_2 blank"></span>tura <span class="_6 blank"> </span>que <span class="_6 blank"> </span>a <span class="_6 blank"> </span>rocha <span class="_7 blank"> </span>ou <span class="_4 blank"> </span>outro <span class="_7 blank"> </span>materia<span class="_2 blank"></span>l </div><div class="t m0 x2 h5 yc ff1 fs4 fc0 sc0 ls1 ws2">sofre <span class="_8 blank"> </span>por <span class="_8 blank"> </span>estar <span class="_8 blank"> </span>sob <span class="_3 blank"> </span>compressão <span class="_8 blank"> </span>intensa <span class="_8 blank"> </span>além <span class="_8 blank"> </span>de <span class="_8 blank"> </span>seu <span class="_3 blank"> </span>limite <span class="_8 blank"> </span>elástico, <span class="_8 blank"> </span>em <span class="_3 blank"> </span>fu<span class="_2 blank"></span>nção <span class="_8 blank"> </span>de <span class="_8 blank"> </span>seu <span class="_8 blank"> </span>índice <span class="_3 blank"> </span>de </div><div class="t m0 x2 h5 yd ff1 fs4 fc0 sc0 ls1 ws2">esbeltez). </div><div class="t m0 x2 h5 y1f ff1 fs4 fc0 sc0 ls1 ws2">Buffering = <span class="_5 blank"> </span>pulmão <span class="_0 blank"> </span>(reserva <span class="_0 blank"> </span>estraté<span class="_0 blank"> </span>gica para <span class="_0 blank"> </span>alim<span class="_0 blank"> </span>entação <span class="_0 blank"> </span>de <span class="_0 blank"> </span>processo <span class="_5 blank"> </span>em <span class="_0 blank"> </span>caso <span class="_0 blank"> </span>de <span class="_0 blank"> </span>interrupção <span class="_0 blank"> </span>na<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y4b ff1 fs4 fc0 sc0 ls1 ws2">etapa anterior). </div><div class="t m0 x2 h5 y21 ff1 fs4 fc0 sc0 ls1 ws2">Bulge = arquear (Conferir uma forma de curva ou arco, por exemplo, ao suporte da escavação). </div><div class="t m0 x2 h5 y41 ff1 fs4 fc0 sc0 ls1 ws2">bulk <span class="_8 blank"> </span>densit<span class="_0 blank"> </span>y<span class="_2 blank"></span> <span class="_8 blank"> </span>= <span class="_8 blank"> </span>massa <span class="_8 blank"> </span>es<span class="_0 blank"> </span>pecifica <span class="_8 blank"> </span>aparente, <span class="_8 blank"> </span>Densidade <span class="_3 blank"> </span>volumétrica <span class="_8 blank"> </span>(relação <span class="_8 blank"> </span>entre <span class="_8 blank"> </span>a <span class="_8 blank"> </span>massa <span class="_3 blank"> </span>de <span class="_8 blank"> </span>um </div><div class="t m0 x2 h5 y23 ff1 fs4 fc0 sc0 ls1 ws2">material e o volume por ele ocupado, incluindo os vazios dos poros). </div><div class="t m0 x2 h5 y42 ff1 fs4 fc0 sc0 ls1 ws2">Bulk <span class="_b blank"> </span>material <span class="_c blank"> </span>= <span class="_c blank"> </span>material <span class="_c blank"> </span>fragmentado <span class="_b blank"> </span>(Materi<span class="_0 blank"> </span>al <span class="_b blank"> </span>granular<span class="_0 blank"> </span> <span class="_c blank"> </span>ou <span class="_b blank"> </span>particulado, <span class="_c blank"> </span>sólido, <span class="_c blank"> </span>com <span class="_c blank"> </span>uma </div><div class="t m0 x2 h5 y25 ff1 fs4 fc0 sc0 ls1 ws2">distribuição granulométrica centimétrica e decimétrica e<span class="_2 blank"></span> com formas variadas).<span class="_0 blank"> </span> </div><div class="t m0 x2 h5 y26 ff1 fs4 fc0 sc0 ls1 ws2">Bulkhead = <span class="_0 blank"> </span>tapume <span class="_0 blank"> </span>(Partição <span class="_0 blank"> </span>estreita d<span class="_0 blank"> </span>e <span class="_0 blank"> </span>madeira, <span class="_0 blank"> </span>rocha, <span class="_0 blank"> </span>e lama <span class="_0 blank"> </span>ou <span class="_0 blank"> </span>concreto <span class="_0 blank"> </span>para <span class="_0 blank"> </span>proteção <span class="_0 blank"> </span>contra </div><div class="t m0 x2 h5 y27 ff1 fs4 fc0 sc0 ls1 ws2">gás, fogo, e água em minas). </div><div class="t m0 x2 h5 y28 ff1 fs4 fc0 sc0 ls1 ws2">Bulldozer <span class="_3 blank"> </span>= <span class="_8 blank"> </span>t<span class="_0 blank"> </span>rator <span class="_3 blank"> </span>de <span class="_3 blank"> </span>lâmina <span class="_3 blank"> </span>(Trator <span class="_3 blank"> </span>de <span class="_3 blank"> </span>pneus <span class="_3 blank"> </span>ou <span class="_3 blank"> </span>esteiras, <span class="_3 blank"> </span>com <span class="_3 blank"> </span>lâmina <span class="_3 blank"> </span>de <span class="_3 blank"> </span>aço <span class="_3 blank"> </span>de <span class="_3 blank"> </span>grande <span class="_3 blank"> </span>porte </div><div class="t m0 x2 h5 y29 ff1 fs4 fc0 sc0 ls1 ws2">instalada <span class="_5 blank"> </span>na <span class="_5 blank"> </span>parte <span class="_5 blank"> </span>dianteira, <span class="_5 blank"> </span>uti<span class="_0 blank"> </span>lizado <span class="_5 blank"> </span>para <span class="_5 blank"> </span>remover <span class="_5 blank"> </span>a <span class="_5 blank"> </span>terra <span class="_5 blank"> </span>e <span class="_8 blank"> </span>também <span class="_0 blank"> </span>empurrar <span class="_5 blank"> </span>mat<span class="_0 blank"> </span>eriais <span class="_8 blank"> </span>- <span class="_5 blank"> </span>solo <span class="_5 blank"> </span>e </div><div class="t m0 x2 h5 y44 ff1 fs4 fc0 sc0 ls1 ws2">rocha - de maneira a fazer o desmatamento e trabalhos de limpeza). </div><div class="t m0 x2 h5 y45 ff1 fs4 fc0 sc0 ls1 ws2">Bump = sismo, <span class="_0 blank"> </span>explosão de <span class="_0 blank"> </span>rocha (Explosão <span class="_0 blank"> </span>no teto <span class="_0 blank"> </span>ou no piso <span class="_0 blank"> </span>de uma <span class="_0 blank"> </span>abertura de mina causad<span class="_0 blank"> </span>a </div><div class="t m0 x2 h5 y46 ff1 fs4 fc0 sc0 ls1 ws2">por <span class="_6 blank"> </span>intensa <span class="_7 blank"> </span>carga<span class="_2 blank"></span> <span class="_6 blank"> </span>de <span class="_7 blank"> </span>tensão <span class="_6 blank"> </span>originada <span class="_7 blank"> </span>das <span class="_6 blank"> </span>escavações <span class="_6 blank"> </span>subterrâneas <span class="_7 blank"> </span>ou <span class="_6 blank"> </span>pelas <span class="_7 blank"> </span>descontinuidade<span class="_2 blank"></span>s </div><div class="t m0 x2 h5 y64 ff1 fs4 fc0 sc0 ls1 ws2">presentes na <span class="_0 blank"> </span>m<span class="_0 blank"> </span>esma, d<span class="_0 blank"> </span>e i<span class="_0 blank"> </span>ntensidade <span class="_0 blank"> </span>elevada, <span class="_0 blank"> </span>capaz <span class="_0 blank"> </span>de <span class="_0 blank"> </span>provocar <span class="_0 blank"> </span>ruídos <span class="_0 blank"> </span>e <span class="_0 blank"> </span>limi<span class="_0 blank"> </span>tar o <span class="_0 blank"> </span>funcion<span class="_5 blank"> </span>amento </div><div class="t m0 x2 h5 y65 ff1 fs4 fc0 sc0 ls1 ws2">da frente de trabalho, devido ao dano causado). </div><div class="t m0 x2 h5 y49 ff1 fs4 fc0 sc0 ls1 ws2">Buttock pillar <span class="_0 blank"> </span>= <span class="_0 blank"> </span>ver <span class="_0 blank"> </span>rib <span class="_0 blank"> </span>pillar. <span class="_5 blank"> </span>Bypass <span class="_0 blank"> </span>= desvio <span class="_5 blank"> </span>(Passagem ou <span class="_5 blank"> </span>arranjo para <span class="_5 blank"> </span>contornar um <span class="_0 blank"> </span>flux<span class="_0 blank"> </span>o <span class="_0 blank"> </span>de </div><div class="t m0 x2 h5 y4a ff1 fs4 fc0 sc0 ls1 ws2">material ou para eliminar parte da alimentaçã<span class="_2 blank"></span>o, diminuindo riscos e custos). </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div>
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