图所示结构,MA影响线(下侧受拉为正)D 处的纵标为:( )[img=316x246]180332862b14410.png[/img]
A: 0
B: l
C: -l
D: -2.236l/2
A: 0
B: l
C: -l
D: -2.236l/2
举一反三
- 图所示结构,M<sub>A</sub>影响线(下侧受拉为正)D处的纵标为:( )[img=316x246]17da6baaeb4332f.png[/img] A: 0 B: -l C: -2.236l/2 D: l
- 图所示结构,MA影响线(下侧受拉为正)D 处的纵标为:( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/79e0fa2a3c804592882b300b8c4f7f90.png
- 图示结构,单位荷载在AB上移动,设M<sub>C</sub>以左侧受拉为正,则M<sub>C</sub>的影响线最大正值为( )。[img=322x176]17da6b276d68a1f.png[/img] A: l B: l/4 C: l/2 D: l/3
- 图示结构,其对A点之矩的平衡方程为( )。[img=192x150]180328f61d22d6f.png[/img] A: SMA(F) = m + P × L/2 + mA = 0 B: SMA(F) = -m - P × L/2 = 0 C: SMA(F) = -mL - P × L/2 + mA = 0 SMA(F) = -mL - P × L/2 + mA = 0 D: SMA(F) = -m - P × L/2 + mA = 0
- 图6-13所示结构,[tex=1.571x1.286]t4UEreSy/uQIsweRY1PhVA==[/tex]影响线(下侧受拉为正)[tex=0.857x1.286]s+r8LBAs3scxfl88DGExcg==[/tex]处的纵标为 [img=420x377]17a046e878b5708.png[/img] 未知类型:{'options': ['0', '[tex=0.357x1.286]O1PzqaL1+AfC/NERqj1Zew==[/tex]', '[tex=1.071x1.286]yAdjZX5Z4Qxit1RCCSLnDw==[/tex]', '[tex=4.286x1.286]Jxbw/QS8VDVVJl5MswCi3yEBVdw5kjIgduypDd0WFSk=[/tex]'], 'type': 102}