A s=6545墙厚h=300M k=288.7
ν= 1.0000有效h0=250保护层c=40αcr= 1.9f tk= 2.01钢筋d eq=25
A te=0.5bh=150000E s=200000
ρte=A s/A te=0.043633若小于0.01时取=0.01
①ρte=0.01
σsk=M k/(0.87·A s·h0)=202.8
ψ=1.1-0.65f tk/ρte/σsk=0.4558
ωmax=αcr·ψ·σsk·(1.9c+0.08d eq/ρte)/Es=0.2424
②ρte=0.043633
σsk=M k/(0.87·A s·h0)=202.8
ψ=1.1-0.65f tk/ρte/σsk=0.9524
ωmax=αcr·ψ·σsk·(1.9c+0.08d eq/ρte)/Es=0.2236