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斜拉桥移动荷载分析
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sun
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Oct 7, 2007, 4:28:52 AM
10/7/07
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各位老师好:
我是一名刚接触midas的学生,现在在计算一个斜拉桥。一开始索是用的只受拉单元模拟的,后来知道移动荷载分析时不能有非线性单元,所以我把
只受拉单元改成桁架单元,并把最后施工阶段的索力作为单元初始内力加到索上,(在这里midas是不是把最后阶段的索力作为单元初始内力,而计算移动荷
载时结构的刚度就是postcs阶段的刚度?),但是施工阶段的初张拉都自动没了,这样一来是不是计算移动荷载时的模型与postcs阶段的模型不一样
了?
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