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应变 yìngbiàn
hydroel.st. strain
manag. contingency
met. straining
tech. deformation
应变也称剪切应变。 1. 物体或岩体内原来相互垂直的两个平面所夹直角的改变量〈∆γ〉。角度的旋转就是剪应变的度量,可根据物体内原来相互垂直的两条线段之间的角度变化来测量。 2. 固体变形时,物体中的平面相对于物体中的平行平面作平行位移 yìngbiàn
expl. shear strain; shearing strain
应变 yìngbiàn
gen. Strain
应变系一导出量。存在两种应变,即正应变 ε 和切应变 γ。对一连续系统而言,正应变定义为一单元在施加荷载前后的长度比, 切应变定义为两线段之间的角度变形所致变化 yìngbiàn
expl. strain
应变
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