首页/ 题库 / [问答题]某两端铰支空心圆截面杆,长度为

某两端铰支空心圆截面杆,长度为上传图片,外径上传图片,内径上传图片。杆件的弹性模量为上传图片,上传图片。计算临界应力的公式有:(a)欧拉公式,(b)直线公式上传图片。试计算该压杆的临界力上传图片

问答题
2022-04-01 20:02
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正确答案
由题意可知该压杆的长度系数上传图片。 (2分)
惯性半径:上传图片 (3分)
压杆的柔度上传图片 (2分)
判断柔度上传图片 故应使用欧拉公式。 (4分)
临界力上传图片 (4分)

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