單項選擇題

圖示桁架B點豎向位移(向下為正)△為:()

A.[(4+2)/EA]pa
B.[(-4+2)/EA]pa
C.[(2+2)/EA]pa
D.0


你可能感興趣的試題

1.單項選擇題

圖示剛架,EI=常數(shù),B點的豎向位移(↓)為:()

A.Pl3/6EI
B.Pl3/3EI
C.Pl3/6EI
D.Pl3/3EI

2.單項選擇題

圖示梁EI=常數(shù),B端的轉(zhuǎn)角是:()

A.5ql3/48EI(順時針)
B.5ql3/48EI(逆時針)
C.7ql3/48EI(逆時針)
D.9ql3/48EI(逆時針)

3.單項選擇題

圖示結(jié)構(gòu)EI=常數(shù),截面C的轉(zhuǎn)角是:()

A.ql3/8EI(逆時針)
B.5ql3/24EI(逆時針)
C.ql3/24EI(逆時針)
D.ql3/24EI(順時針)