A.當(dāng)B端轉(zhuǎn)動(dòng)時(shí),所產(chǎn)生B端彎矩與A端彎矩的比值 B.當(dāng)B端轉(zhuǎn)動(dòng)時(shí),所產(chǎn)生A端彎矩與B端經(jīng)矩的比值 C.當(dāng)A端轉(zhuǎn)動(dòng)時(shí),所產(chǎn)生A端彎矩與B端彎矩的比值 D.當(dāng)A端轉(zhuǎn)動(dòng)時(shí),所產(chǎn)生B端彎矩與A端彎矩的比值
圖示結(jié)構(gòu),各桿EI=常數(shù),不計(jì)桿的軸向變形,的狀況為:()
A.A B.B C.C D.D
用位移法計(jì)算圖示剛架時(shí),位移法方程的主系數(shù)k11等于:()