钢管混凝土柱承载力计算

圆钢管混凝土单肢柱承载力计算(0.83)

套箍指标θ= 1.38

e o/r c=0.24≤ 1.55

φe=0.70

K 1=0.32K 2=0.32查表得μ= 1.88L o =μL=7708.00mm

k=0.85L e =kL o =6572.91mm

Le/d=8.22>

4

φl =

0.76

37245.55kN 19813.91kN

0.920.78

抗震调整系数0.85N o =fcAc(1+√θ+θ)=

Nu=φl φe No=

N/Nu=Yre*N/Nu=