永久荷载标准值:g = 5.00+ 2.50(板自重)=7.50 kN/m2
可变荷载标准值:q = 1.00 kN/m2
板厚 H = 100 mm; 砼强度等级:C30;钢筋强度等级:HRB400
我取了3mx6m,3mx6.1m,3mx9m,3mx9.1m四种板块类型,按弹性板理论计算 1.按pkpm的计算结果 3mx6m
挠度 f = κ * Qq * L ^ 4 / B
f =0.01013* 8.0* 3.00^4/ 221.267= 29.667mm
3mx6.1m
f=0.01024* 8.0* 3.00^4/ 221.267= 30.001mm
3mx9m f =0.00546* 8.0* 3.00^4/ 235.515= 15.023mm
(挠度相比3mx6m变小)
3mx9.1m f =0.01302* 8.0* 3.00^4/ 292.395= 28.857mm