3.8 筏板裂缝验算表格
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有效受拉混凝土截面面积 A te = 0.5×b×h
受弯构件纵向受拉钢筋的应力σsq=Mq/(0.87*h0*As)纵向钢筋配筋率ρte=min(As/Ate,0.01)
受拉钢筋应变不均匀系数ψ
=max(1.1-0.65×ftk/(ρte×σsq),0.2)最大裂缝宽度ωmax=αcr×ψ×σsq×(1.9×c + 0.08×deq÷ρte)÷Es
按板宽为1m计算,采用的相关计算公式:
A B C D E F
相关主题
有效受拉混凝土截面面积 A te = 0.5×b×h
受弯构件纵向受拉钢筋的应力σsq=Mq/(0.87*h0*As)纵向钢筋配筋率ρte=min(As/Ate,0.01)
受拉钢筋应变不均匀系数ψ
=max(1.1-0.65×ftk/(ρte×σsq),0.2)最大裂缝宽度ωmax=αcr×ψ×σsq×(1.9×c + 0.08×deq÷ρte)÷Es
按板宽为1m计算,采用的相关计算公式:
A B C D E F