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Disciplina: Materiais de Construção Prof. Patrícia Pati/Arq./Esp. Tecnologia e Gerenciamento de Obras LISTA DE EXERCÍCIO - 02 AGLOMERANTES: 1) Com base no que você estudou sobre cal aérea e hidratada, elabore um texto descritivo onde você se posicione sobre qual tipo de produto acha mais vantajoso utilizar. A sua justificativa deve ser embasada em duas informações que você deverá pesquisar em lojas de material de construção: preço e rendimento de cada produto. Sua argumentação deve conter entre 10 e 20 linhas e será enviada ao professor, constituindo um dos objetos de avaliação da disciplina. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ AGLOMERANTES: 1) Com suas palavras defina aglomerantes. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 2) Diferencie Pasta, Argamassa e Concreto. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 3)Quais os tipos de aglomerantes? __________________________________________________________________________________________________________________________________________________________ 4) Diferencie aglomerante aéreo e hidráulico. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 5)Classifique os aglomerantes hidráulicos quimicamente ativos, defina-os e dê exemplos. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 6) Explique: a)Pega:______________________________________________________________________________________________________________________________________________ b)Início de pega:_______________________________________________________________ _____________________________________________________________________________ c) Fim de pega:________________________________________________________________________ _____________________________________________________________________________ d)Endurecimento:___________________________________________________________________________________________________________________________________________ 7) Quais os tipos de pega e qual a diferença entre elas? _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 8) Como estão classificados os aglomerantes quanto ao seu modo de endurecimento ? _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 9) Como são classificados os aglomerantes com relação a presença da água. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ AGLOMERANTES - GESSO 1) Qual a definição do gesso? _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 2)Quais as etapas de extração da gipsita? __________________________________________________________________________________________________________________________________________________________ 3) Qual a relação do gesso com a água e qual seu tempo de pega? _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 4)Quais as características do gesso e na construção civil onde pode ser empregado? ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ AGLOMERANTES - CAL 1) Qual a definição do aglomerante Cal? _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 2) Como é realizado o processo de extração da Cal? __________________________________________________________________________________________________________________________________________________________ 3) O que é o processo de calcinação? __________________________________________________________________________________________________________________________________________________________ 4) Defina o processo de extinção na fabricação da Cal? __________________________________________________________________________________________________________________________________________________________ 5) Diferencie Cal gorda e Cal magra.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 6) Quais as diferenças entre a cal virgem(viva) e cal extinta (hidratada)? ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 7)Qual as principais propriedades da cal na construção civil? ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 8) Quais as vantagens e desvantagens da Cal hidratada? _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 9) Quais os tipos de cal são mais empregadas na construção civil? _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 10) Na construção civil onde a cal pode ser empregada? _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 11) Qual a contribuição do uso da argamassa de cal para construção civil? 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