1A410000 建筑工程技术
端铰接压杆临界力
计算公式：
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：弹性模量;
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：惯性矩；
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:压杆计算长度）
钢柱<Object: word/embeddings/oleObject5.bin>
比木柱大;截面越大
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越大；压杆两端固定比两端铰接的
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大。不同支座情况下的压杆计算长度
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:一端固定一端自由时，
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;两端固定时，
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