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桁架的计算假设是什么?

问答题
2021-12-31 23:27
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正确答案

在平面桁架的计算简图中,通常作如下假设: 
(1) 各杆轴线为直线;
(2) 不考虑桁架本身的自重;
(3) 各结点为圆柱铰,铰中心为杆轴线的交点;
(4) 外力作用于结点上,各杆轴线与外力在同一平面内。


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