圖示剛架,EI=常數(shù),B點(diǎn)的豎向位移(↓)為:()
A.Pl3/6EI B.Pl3/3EI C.Pl3/6EI D.Pl3/3EI
圖示梁EI=常數(shù),B端的轉(zhuǎn)角是:()
A.5ql3/48EI(順時(shí)針) B.5ql3/48EI(逆時(shí)針) C.7ql3/48EI(逆時(shí)針) D.9ql3/48EI(逆時(shí)針)
圖示結(jié)構(gòu)EI=常數(shù),截面C的轉(zhuǎn)角是:()
A.ql3/8EI(逆時(shí)針) B.5ql3/24EI(逆時(shí)針) C.ql3/24EI(逆時(shí)針) D.ql3/24EI(順時(shí)針)