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长细比越大越稳定吗

更新时间: 2020-10-30 00:00:00     

长细比越大越不稳定。长细比公式:λ=μl/i,i为回转半径长细比。长细比即构件计算长度与其相应回转半径的比值。从这个公式中可以看出长细比越大的构件越容易失稳。

长细比不可单纯的理解为构件长度与细度(或厚度)之比,这是误区。在材料力学当中,长细比的另一个名字是柔度。

关键词: 稳定

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