图69A.-40kN·m
B.-50kN·m
C.-60kN·m
D.-90kN·m
[单选题]图38所示结构的超静定次数为( )。图38A.3次B.4次C.5次D.6次
[单选题]图1-2-75所示多跨静定梁B点弯矩为( )。图1-2-75A.-40kN·mB.-50kN·mC.-60kN·mD.-90kN·m
[单选题]图1-3-28所示多跨静定梁B点弯矩为( )。[2010年真题]图1-3-28A.-40kN·mB.-50kN·mC.-60kN·mD.-90kN·
[单选题]图23所示结构的轴力图为( )。图23A.B.C.D.
[单选题]图6-4-61所示多跨梁截面C的弯矩为( )。图6-4-61A.M/2(上面受拉)B.M/2(下面受拉)C.3M/4(上面受拉)D.3M/4(下面受
[单选题]图6-2-39所示多跨梁C截面的弯矩为( )。图6-2-39A.M/4B.M/2C.3M/4D.3M/2
[单选题]图3-2-18所示多跨梁C截面的弯矩为( )。图3-2-18A.M/4B.M/2C.3M/4D.3M/2
[单选题]图52所示简支梁,跨中C点的弯矩是( )。图52A.20kN·mB.25kN·mC.30kN·mD.40kN·m
[单选题]图11所示简支梁,跨中C点的弯矩是( )。图11A.10kN·mB.12kN·mC.16kN·mD.20kN·m
[单选题]图15所示结构梁a点处的弯矩是( )。图15A.B.C.D.