图示结构B截面,弯矩等于()https://assets.asklib.com/images/image2/2018072309441319490.jpg
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图示结构所受动荷载为P(t)=Psin https://assets.asklib.com/psource/2015102814530323255.jpg t,截面B的最大动弯矩为:() https://assets.asklib.com/psource/2015102814530481920.jpg
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图示三铰拱结构K截面弯矩为:()https://assets.asklib.com/psource/2016071810480182865.jpg
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图示结构K截面弯矩值为:()https://assets.asklib.com/psource/2015102815010067350.jpg
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图示结构,若取梁B截面弯矩为力法的基本未知量Xl,当I2增大时,则X1绝对值的变化状况是:()https://assets.asklib.com/psource/2015110416044397530.png
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图示结构中,截面B、C间的相对转角等于()https://assets.asklib.com/psource/2015102816032875136.jpg
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图示结构,截面B的转角等于()https://assets.asklib.com/psource/2015102817205366485.jpg
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图示结构K截面弯矩值为:()https://assets.asklib.com/psource/2015102815012489038.jpg
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图示两刚架的EI均为常数,已知EI a =4EI b ,则图a)刚架各截面弯矩与图b)刚架各相应截面弯矩的倍数关系为:() https://assets.asklib.com/psource/2016071809351492471.jpg
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图示结构K截面弯矩值为:()https://assets.asklib.com/psource/2016071810450961887.jpg
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图示结构截面B的剪力Q BA 等于() https://assets.asklib.com/psource/2015102816015575622.jpg
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图示两结构仅竖杆刚度不同,当比例常数n>1时,A、B两截面弯矩绝对值的关系为() https://assets.asklib.com/psource/2015102909222494145.jpg https://assets.asklib.com/psource/2015102909222513923.jpg
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图示结构K截面弯矩值为:()https://assets.asklib.com/psource/2015110415431315764.png
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图示结构,若取梁B截面弯矩为力法的基本未知量Xl,当I 2 增大时,则X 1 绝对值的变化状况是:() https://assets.asklib.com/psource/2016071809233524117.jpg
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图示梁截面K的弯矩M K (以下侧受拉为正)等于() https://assets.asklib.com/psource/2015102816024489251.jpg
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图示结构K截面弯矩值为:()https://assets.asklib.com/psource/2015110415433945215.png
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图示结构,截面B的转角等于:()https://assets.asklib.com/psource/2015102816050983466.jpg
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图示结构K截面弯矩值为:()https://assets.asklib.com/psource/2016071810443853233.jpg
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图示悬臂梁,固定端B的弯矩影响线在截面C的纵标(竖距)等于(弯矩以下侧受拉为正)()https://assets.asklib.com/images/image2/201704081541447142.png
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图示结构K截面弯矩值为: A.10kN?m(右侧受拉) B.10kN?m(左侧受拉) C.12kN?m(左侧受拉) D.12kN?m
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图示结构(杆件截面为矩形)在温度变化时,已知t1>t2。若规定内侧受拉的弯矩为正,则各杆端弯矩为:
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图示结构跨中D截面右侧的弯矩为( )。
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图示结构EI=常数,截面A右侧的弯矩为():A.M/2B.MC.0D.M/(2EI)
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图示结构截面B的剪力Q<sub>BA</sub>等于()<img src='https://img2.soutiyun.com/shangxueba/ask/17730001-17733000/17730128/2015102816015575622.jpg' />
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图示结构截面K的弯矩值Mk为:()