单选,10分] 断裂力学按裂纹扩展形式将介质中存在的裂纹有三种形式，下列说法错误的是 -题库考试答案搜索网

单选,10分] 断裂力学按裂纹扩展形式将介质中存在的裂纹有三种形式，下列说法错误的是

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2021-09-03 16:17

A、（a）图是张开型裂纹，即所谓的的型，上下表面的位移是对称的，由于法向位移的间断造成裂纹上下表面张开；
B、（b）图是滑开型裂纹，及所谓的的的型，由于上下表面切向位移间断，引起上下表面滑开；
C、（c）图是撕开型裂纹，即所谓的的的的型，是由于上下表面切向位移间断，为扭剪破坏；
D、图（a）、（b）和（c）都是对称型裂纹。

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D@#@D

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标签：联大河南理工大学采矿工程岩石力学与工程

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