圖示剛架B點(diǎn)水平位移△BH為:()
A.qa4/4EI(→) B.7qa4/12EI(→) C.0 D.4qa4/12EI(→)
圖示梁C截面的轉(zhuǎn)角φc(順時(shí)針為正)為:()
A.4Pl2/EI B.2Pl2/EI C.8Pl2/EI D.4Pl2/3EI
圖示結(jié)構(gòu)桿長(zhǎng)為l,EI=常數(shù),C點(diǎn)兩側(cè)截面相對(duì)轉(zhuǎn)角φc為:()
A.3Pl/2EI B.Pl2/12EI C.0 D.Pl3/6EI