單項(xiàng)選擇題圖示各種結(jié)構(gòu)中,欲求A點(diǎn)豎向位移,能用圖乘法的為:()

A.
B.
C.
D.


你可能感興趣的試題

2.單項(xiàng)選擇題

圖示結(jié)構(gòu)A、B兩點(diǎn)相對(duì)豎向位移△ab為:()

A.2pa/EA
B.3pa/EA
C.8pa/EA
D.0

3.單項(xiàng)選擇題

圖示桁架B點(diǎn)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

4.單項(xiàng)選擇題

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

5.單項(xiàng)選擇題

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)

6.單項(xiàng)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(shí)針)
B.5ql3/24EI(逆時(shí)針)
C.ql3/24EI(逆時(shí)針)
D.ql3/24EI(順時(shí)針)

8.單項(xiàng)選擇題

圖示結(jié)構(gòu)各桿EI=常數(shù),其C端的水平位移(→)為:()

A.225/4EI
B.225/8EI
C.0
D.80/EI

10.單項(xiàng)選擇題

圖示為剛架在均布荷載作用下的M圖,曲線為二次拋物線,橫梁的抗彎剛度為2EI,豎柱為EI,支座A處截面轉(zhuǎn)角為:()

A.5qa3/12EI(順時(shí)針)
B.5qa3/12EI(逆時(shí)針)
C.qa3/2EI(順時(shí)針)
D.qa3/2EI(逆時(shí)針)