8/22/2019 LAJE Momento Ultimo

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consulte o manual no site:

http://www.clubedoconcreto.com.br/

http://www.clubedoconcreto.com.br/http://www.clubedoconcreto.com.br/

8/22/2019 LAJE Momento Ultimo

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LAJE DE CONCRETO ARMADO - ARMADURA SIMPLES - MOMENTO FLETOR RESISTENTE LTIMO

CONCRETO AO COBRIMENTOfck(MPa) 30 fyk(MPa) 500 0 c(cm) 3

gc 1.4 gs 1.15Es(MPa) 210000

H(cm) 10f(mm) 5 6.3 8 10 12.5 16 20 f(mm)e(cm) As Md As Md As Md As Md As Md As Md As Md e(cm)

7 2.805 7.82 4.453 11.91 7.181 17.93 11.220 25.18 17.531 - 28.723 - 44.880 - 78 2.454 6.89 3.897 10.54 6.283 15.98 9.817 22.74 15.340 - 25.133 - 39.270 - 89 2.182 6.16 3.464 9.44 5.585 14.41 8.727 20.71 13.635 - 22.340 - 34.907 - 910 1.963 5.56 3.117 8.56 5.027 13.11 7.854 19.00 12.272 - 20.106 - 31.416 - 1011 1.785 5.07 2.834 7.82 4.570 12.03 7.140 17.53 11.156 - 18.278 - 28.560 - 1112 1.636 4.66 2.598 7.20 4.189 11.11 6.545 16.27 10.227 - 16.755 - 26.180 - 1213 1.510 4.31 2.398 6.67 3.867 10.32 6.042 15.18 9.440 - 15.466 - 24.166 - 13

14 1.402 - 2.227 6.21 3.590 9.63 5.610 14.22 8.766 - 14.362 - 22.440 - 1415 1.309 - 2.078 5.82 3.351 9.03 5.236 13.37 8.181 - 13.404 - 20.944 - 1516 1.227 - 1.948 5.47 3.142 8.50 4.909 12.62 7.670 - 12.566 - 19.635 - 1617 1.155 - 1.834 5.16 2.957 8.03 4.620 11.95 7.219 - 11.827 - 18.480 - 1718 1.091 - 1.732 4.88 2.793 7.61 4.363 11.34 6.818 - 11.170 - 17.453 - 1819 1.033 - 1.641 4.63 2.646 7.23 4.134 10.80 6.459 - 10.582 - 16.535 - 1920 0.982 - 1.559 4.40 2.513 6.88 3.927 10.30 6.136 - 10.053 - 15.708 - 20

(cm2/m) (kN.m/m) (cm2/m) (kN.m/m) (cm2/m) (kN.m/m) (cm2/m) (kN.m/m) (cm2/m) (kN.m/m) (cm2/m) (kN.m/m) (cm2/m) (kN.m/m)

H(cm) 20f(mm) 5 6.3 8 10 12.5 16 20 f(mm)e(cm) As Md As Md As Md As Md As Md As Md As Md e(cm)

7 2.805 - 4.500 31.59 7.143 48.91 11.429 75.21 17.857 110.59 28.571 158.88 45.000 - 7