题目内容:
支撑桁架的斜杆aB采用单角钢截面,最适合的截面形式为下列何项?
A.
(A)1145×4,A=3.49cm2,imin=0.89cm,iy=1.38cm B. (B)1150×3,A=2.27cm2,imin=1.0cm,iy=1.55cm
C. (C)1163×5,A=6.143cm2,imin=1.25cm,iy=1.94cm
D. (D)11T0×5,A=6.87cm2,imin=1.39cm,iy=2.16cm
参考答案:
答案解析: