ÁREA DE AÇO BARRAS CA50

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BARRAS CA 50
	BITOLA	Número de barras
	f	1	2		3		4		5		6		7		8		9		10
	(mm)	As	As	bs,nec	As	bs,nec	As	bs,nec	As	bs,nec	As	bs,nec	As	bs,nec	As	bs,nec	As	bs,nec	As	bs,nec
	5.0	0.20	0.40	3.0	0.60	5.5	0.80	8.0	1.00	10.5	1.20	13.0	1.40	15.5	1.60	18.0	1.80	20.5	2.00	23.0
	6.3	0.31	0.62	3.3	0.93	5.9	1.24	8.5	1.55	11.2	1.86	13.8	2.17	16.4	2.48	19.0	2.79	21.7	3.10	24.3
	8.0	0.50	1.00	3.6	1.50	6.4	2.00	9.2	2.50	12.0	3.00	14.8	3.50	17.6	4.00	20.4	4.50	23.2	5.00	26.0
	10.0	0.79	1.58	4.0	2.37	7.0	3.16	10.0	3.95	13.0	4.74	16.0	5.53	19.0	6.32	22.0	7.11	25.0	7.90	28.0
	12.5	1.23	2.46	4.5	3.69	7.8	4.92	11.0	6.15	14.3	7.38	17.5	8.61	20.8	9.84	24.0	11.07	27.3	12.30	30.5
	16.0	2.01	4.02	5.2	6.03	8.8	8.04	12.4	10.05	16.0	12.06	19.6	14.07	23.2	16.08	26.8	18.09	30.4	20.10	34.0
	20.0	3.14	6.28	6.0	9.42	10.0	12.56	14.0	15.70	18.0	18.84	22.0	21.98	26.0	25.12	30.0	28.26	34.0	31.40	38.0
			eh	2
ESTRIBOS 2 RAMOS
	Espaçamento	BITOLA f (mm)
	(cm)	5	6.3	8	10
		0.20	0.31	0.50	0.79
	5	8.00	12.40	20.00	31.60
	6	6.67	10.33	16.67	26.33
	7.0	5.71	8.86	14.29	22.57
	8.0	5.00	7.75	12.50	19.75
	9.0	4.44	6.89	11.11	17.56
	10.0	4.00	6.20	10.00	15.80
	11.0	3.64	5.64	9.09	14.36
	12.0	3.33	5.17	8.33	13.17
	13.0	3.08	4.77	7.69	12.15
	14.0	2.86	4.43	7.14	11.29
	15.0	2.67	4.13	6.67	10.53
	16.0	2.50	3.88	6.25	9.88
	17.0	2.35	3.65	5.88	9.29
	18.0	2.22	3.44	5.56	8.78
	19.0	2.11	3.26	5.26	8.32
	20.0	2.00	3.10	5.00	7.90
	21.0	1.90	2.95	4.76	7.52
	22.0	1.82	2.82	4.55	7.18
	23.0	1.74	2.70	4.35	6.87
	24.0	1.67	2.58	4.17	6.58
	25.0	1.60	2.48	4.00	6.32
	26.0	1.54	2.38	3.85	6.08
	27.0	1.48	2.30	3.70	5.85
	28.0	1.43	2.21	3.57	5.64
	29.0	1.38	2.14	3.45	5.45
	30.0	1.33	2.07	3.33	5.27
	31.0	1.29	2.00	3.23	5.10
	32.0	1.25	1.94	3.13	4.94
	33.0	1.21	1.88	3.03	4.79
	34.0	1.18	1.82	2.94	4.65
	35.0	1.14	1.77	2.86	4.51
ARM LAJES
	Espaçamento	BITOLA f (mm)
	(cm)	4,2*	5	6.3	8	10	12.5	16
		0.14	0.20	0.31	0.50	0.79	1.23	2.01
	7.0	2.00	2.86	4.43	7.14	11.29	17.57	28.71
	8.0	1.75	2.50	3.88	6.25	9.88	15.38	25.13
	9.0	1.56	2.22	3.44	5.56	8.78	13.67	22.33
	10.0	1.40	2.00	3.10	5.00	7.90	12.30	20.10
	11.0	1.27	1.82	2.82	4.55	7.18	11.18	18.27
	12.0	1.17	1.67	2.58	4.17	6.58	10.25	16.75
	13.0	1.08	1.54	2.38	3.85	6.08	9.46	15.46
	14.0	1.00	1.43	2.21	3.57	5.64	8.79	14.36
	15.0	0.93	1.33	2.07	3.33	5.27	8.20	13.40
	16.0	0.88	1.25	1.94	3.13	4.94	7.69	12.56
	17.0	0.82	1.18	1.82	2.94	4.65	7.24	11.82
	18.0	0.78	1.11	1.72	2.78	4.39	6.83	11.17
	19.0	0.74	1.05	1.63	2.63	4.16	6.47	10.58
	20.0	0.70	1.00	1.55	2.50	3.95	6.15	10.05
	21.0	0.67	0.95	1.48	2.38	3.76	5.86	9.57
	22.0	0.64	0.91	1.41	2.27	3.59	5.59	9.14
	23.0	0.61	0.87	1.35	2.17	3.43	5.35	8.74
	24.0	0.58	0.83	1.29	2.08	3.29	5.13	8.38
	25.0	0.56	0.80	1.24	2.00	3.16	4.92	8.04
	26.0	0.54	0.77	1.19	1.92	3.04	4.73	7.73
	27.0	0.52	0.74	1.15	1.85	2.93	4.56	7.44
	28.0	0.50	0.71	1.11	1.79	2.82	4.39	7.18
	29.0	0.48	0.69	1.07	1.72	2.72	4.24	6.93
	30.0	0.47	0.67	1.03	1.67	2.63	4.10	6.70
	31.0	0.45	0.65	1.00	1.61	2.55	3.97	6.48
	32.0	0.44	0.63	0.97	1.56	2.47	3.84	6.28
	33.0	0.42	0.61	0.94	1.52	2.39	3.73	6.09
	34.0	0.41	0.59	0.91	1.47	2.32	3.62	5.91
	35.0	0.40	0.57	0.89	1.43	2.26	3.51	5.74
TABELAS MOMENTO RESISTENTE
	MOMENTOS FLETORES RESISTENTES DE CÁLCULO DE LAJES MACIÇAS
	DADOS:	fck (MPa) =	20	h = 	12	cn =	2.5
	Espaçamento	BITOLAS
	(cm)	5	6.3	8	10	12.5	16			REGIÕES DE DOMÍNIO 4
		0.20	0.31	0.50	0.79	1.23	2.01
	7.0	11.92	15.02	21.90	29.23	34.20	24.45			0.1090119185	0.1436572126	0.2225195849	0.3196651405	0.4117167085	0.3395186497
	8.0	10.53	13.31	19.60	26.64	32.54	28.42			0.0962672773	0.1273147534	0.1991650119	0.2914286181	0.3917533835	0.3946071628
	9.0	9.43	11.95	17.73	24.43	30.73	30.12			0.0861805863	0.1142850002	0.1801192822	0.2671514967	0.3700038811	0.4181889259
	10.0	8.53	10.84	16.17	22.52	28.96	30.60			0.0780014923	0.1036602581	0.1643276296	0.2462711091	0.3486841219	0.4249174758
	11.0	7.79	9.92	14.86	20.87	27.30	30.42			0.0712369501	0.0948344348	0.1510401989	0.2282227321	0.3286488431	0.4223982823
	12.0	7.17	9.14	13.75	19.43	25.76	29.87			0.0655499493	0.0873882459	0.1397150358	0.2125193768	0.3101708878	0.4147821996
	13.0	6.64	8.47	12.79	18.17	24.36	29.12			0.0607024523	0.0810227705	0.1299530548	0.1987611238	0.2932704478	0.4044205995
	14.0	6.18	7.90	11.95	17.06	23.08	28.28			0.0565216132	0.0755193317	0.1214549355	0.1866248449	0.2778612423	0.3926812546
	15.0	5.78	7.39	11.22	16.08	21.91	27.39			0.0528789241	0.0707143547	0.1139923043	0.1758502634	0.2638173392	0.3803732021
	16.0	5.43	6.95	10.57	15.20	20.85	26.50			0.0496768737	0.0664830883	0.1073881624	0.1662271443	0.2510039029	0.3679781838
	17.0	5.12	6.56	9.99	14.41	19.88	25.62			0.0468401433	0.0627287592	0.1015033587	0.1575847357	0.239290993	0.3557815212
	18.0	4.85	6.21	9.47	13.69	18.98	24.77			0.0443096393	0.0593751611	0.0962270733	0.1497834207	0.2285592432	0.3439484698
	19.0	4.60	5.89	9.00	13.05	18.16	23.95			0.0420383515	0.0563614765	0.0914700079	0.1427082215	0.2187016416	0.3325699413
	20.0	4.37	5.61	8.58	12.46	17.41	23.17			0.0399884165	0.0536385845	0.0871594349	0.1362637691	0.2096234761	0.3216904835
	21.0	4.17	5.35	8.19	11.92	16.71	22.42			0.0381289985	0.0511663823	0.0832355444	0.1303704021	0.20124147	0.3113257097
	22.0	3.99	5.11	7.84	11.43	16.07	21.71			0.0364347316	0.0489118087	0.0796487111	0.1249611301	0.1934826159	0.301473311
	23.0	3.82	4.90	7.51	10.97	15.47	21.04			0.0348845592	0.0468473652	0.0763574239	0.1199792565	0.1862829564	0.2921200891
	24.0	3.66	4.70	7.22	10.55	14.92	20.40			0.0334608569	0.0449499948	0.0733266985	0.1153765041	0.1795864267	0.2832464787
	25.0	3.52	4.52	6.94	10.16	14.40	19.79			0.0321487605	0.0432002205	0.0705268471	0.1111115296	0.1733438073	0.2748294661
	26.0	3.38	4.35	6.69	9.80	13.91	19.22			0.0309356465	0.0415814772	0.0679325156	0.1071487362	0.1675118009	0.2668444687
	27.0	3.26	4.19	6.45	9.46	13.46	18.67			0.0298107254	0.0400795876	0.0655219227	0.1034573187	0.1620522294	0.259266537
	28.0	3.15	4.04	6.23	9.14	13.03	18.15			0.0287647201	0.0386823472	0.0632762535	0.1000104911	0.1569313432	0.2520711097
	29.0	3.04	3.91	6.02	8.85	12.63	17.66			0.0277896103	0.0373791926	0.0611791723	0.096784857	0.1521192282	0.2452344763
	30.0	2.94	3.78	5.83	8.57	12.26	17.19			0.0268784267	0.0361609353	0.0592164277	0.0937598938	0.1475892986	0.2387340435
	d (cm)	8.75	8.56	8.30	8.00	7.63	7.10
		0.20	0.31	0.50	0.79	1.23	2.01
	fyd (kN/cm²)	52.17	43.4782608696	43.4782608696	43.4782608696	43.4782608696	43.4782608696
	fcd (kN/cm²)	1.43
		0.0280491071	0.0445307625	0.0718057143	0.1121964286	0.1753069196	0.2872228571