【判断题】【消耗次数:1】
表示单位移动荷载作用下某指定截面的内力变化规律的图形称为内力影响线。
正确
错误
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相关题目
【单选题】 利用梁的某截面内力影响线可求移动荷载下梁的()。
①  所有截面的内力
②  指定截面的内力
③  任一截面的内力
④  该截面相应的内力
【单选题】 利用梁的某截面内力影响线可求移动荷载下梁的( )。
①  所有截面的内力
②  指定截面的内力
③  任一截面的内力
④  与该截面相应的内力
【判断题】 当单位移动荷载结构上移动时,表示某一量值变化规律的图形,称为该量值的影响线。
①  正确
②  错误
【单选题】 在单位荷载作用下,静定结构内力影响线的形状为()
①  分段直线
②  分段曲线
③  直杆结构时为直线,曲杆结构时为曲线
④  说不清
【判断题】 在非荷载因素(支座移动、温度变化、材料收缩等)作用下,静定结构不产生内力,但会有位移,且位移只与杆件相对刚度有关。
①  正确
②  错误
【单选题】 超静定结构在温度变化和支座移动作用下的内力和位移计算中,各杆的刚度应为()。
①  均用相对值
②  均须用绝对值
③  内力计算用相对值,位移计算用绝对值
④  内力计算用绝对值,位移计算用相对值
【单选题】 超静定结构在荷载作用下的内力和位移计算中,各杆的刚度为()。
①  均用相对值
②  均必须用绝对值
③  内力计算用绝对值,位移计算用相对值
④  内力计算可用相对值,位移计算须用绝对值
【单选题】 对称抛物线三铰拱在满跨竖向均布荷载作用下,其截面内力特点是( )。
①  弯矩=0.剪力=0,轴力≠0
②  弯矩=0,剪力≠0,轴力≠0
③  弯矩≠0,剪力=0,轴力=0
④  弯矩≠0,剪力≠0,轴力≠0
【单选题】 荷载效应是指内力、位移、裂缝、应力。
①  正确
②  错误
【单选题】 静定结构在非荷载外因(支座移动、温度改变、制造误差)左营下,不产生内力,但产生位移。( )
①  正确
②  错误
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③  Its pleasure to meet you, Lin Xiaoyan.
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