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许用切应力与许用应力的差别

更新时间: 2020-10-08 00:00:00     

许用切应力与许用应力的差别主要是切应力与应力的概率不同,除以对应的安全系数得到许用切应力与许用应力。物体由于外因而变形时,在物体内各部分之间产生相互作用的内力,单位面积上的内力称为应力。应力是矢量,沿截面法向的分量称为正应力,沿切向的分量称为切应力 为保证构件具有足够的强度,构件在外力作用下的最大工作应力必须小于材料的极限应力。

关键词: 应力 差别

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