问答题
图示刚性横梁AD,a=1.2m,杆1,2均由Q235钢制成,屈服极限σs=235Mpa,弹性模量E=200GPa,横截面均为圆形,直径d1=30mm,d2=36mm,试求结构的极限载荷Fu
图示刚性横梁AD,a=1.2m,杆1,2均由Q235钢制成,屈服极限σs=235Mpa,弹性模量E=200GPa,横截面均为圆形,直径d1=30mm,d2=36mm,试求结构的极限载荷Fu