【判断题】【消耗次数:1】
对称结构在正对称荷载作用下,其内力和位移都是正对称的,且在对称轴上反对称的多余力为零。( )
正确
错误
参考答案:
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相关题目
【单选题】 对称结构在反对称荷载作用下,内力图中为正对称的是( )。
①  弯矩图
②  轴力图
③  弯矩图、剪力图和轴力图
④  剪力图
【单选题】 对称结构在反对称荷载作用下,内力图中为正对称的是( )。
①  剪力图
②  弯矩图、剪力图和轴力图
③  轴力图
④  矩图
【单选题】 如果结构对称、荷载反对称,则轴力图、弯矩图反对称,剪力图对称,在对称轴上轴力、弯矩均为零。( )
①  正确
②  错误
【单选题】 如果结构对称、荷载反对称,则轴力图、弯矩图反对称,剪力图对称,在对称轴上轴力、弯矩均为( )。
①  3
②  1
③  2
④  0
【判断题】 对称结构绕对称轴对折后,对称轴两边的荷载等值、作用点重合、同向视为对称荷载。
①  正确
②  错误
【单选题】 轴力和弯矩是对称内力,剪力是反对称内力。( )
①  正确
②  错误
【判断题】 对称轴的对称操作是反演
①  正确
②  错误
【单选题】 图示对称结构,在对称点C处受到集中力P的作用,受到的荷载为()
①  对称荷载
②  反对称荷载
③  一般荷载
【单选题】 如果结构对称、荷载对称,则( )对称。
①  应力
②  截面
③  剪力图
④  弯矩图
【单选题】 图4对称刚架,在反对称荷载作用下,正确的半边结构图号为( )。图4
①  图a
②  图b
③  图c
④  图d
随机题目
【单选题】 He ____ have left the campus, for I saw in the classroom just a minute ago
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③  couldn’t
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【单选题】 The manager will visit your parents ____ person. ?
①  in ?
②  by ?
③  of ?
④  for?
【单选题】 There isnt any difference between the two. I really dont know ____.
①  where to choose
②  which to choose
③  to choose what
④  to choose which
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①  would not reach
②  can not reach
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【单选题】 With the old man____ the way, we had no trouble in finding that mysterious cave.
①  lead
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③  leading
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【单选题】 The computer of this kind is ____ handling with all kinds of information.
①  capable to
②  able to
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【单选题】 People ____ to the speech in different ways: some got angry while others nodded in agreement.
①  responded
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③  answered
④  replied
【单选题】 23. Anna was reading a piece of science fiction, completely ____ to the outside world.
①  being
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③  losing
④  lost
【单选题】 Mike is always losing something. He is a ____boy.
①  careful
②  hopeful
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【单选题】 Dont be too ____ about things youre not supposed to know.
①  strange
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