This paper introduces a new way for defining the maximum principal strain direction in plane strain condition.
本文介绍了一种确定平面应变中最大主应变方向的新方法。
The maximum principal strain shows the visible pattern of higher value in the west but lower in the east. The tectonic activities are much stronger in the west than in the east.
最大主应变具有明显的西高东低特征，西部构造活动强烈，而东部相对较弱。
The strain criterion for ductile shear failure based on the maximum principal shear strain is established.
据此，建立基于最大主剪应变的岩土材料延性剪切破坏应变准则；
The strain criterion for ductile shear failure based on the maximum principal shear strain is established.
据此，建立基于最大主剪应变的岩土材料延性剪切破坏应变准则；
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