A.與跨度平方成正比B.與跨度成正比C.與跨度三次方成正比D.與跨度無關(guān)
A.荷載B.矢高C.拱軸線形狀D.跨度
圖(a)所示剛架的彎矩圖如圖(b)所示,則M1和M2的值分別為()
A.16kN.m,16kN.mB.32kN.m,32kN.mC.16kN.m,32kN.mD.32kN.m,16kN.m