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。
This paper introduces a new way for defining the maximum principal strain direction in plane strain condition.
分析了内摩擦角、壁面摩擦角对最大主应变率方向的影响。
The influences of the Angle of internal friction, the Angle of wall friction to the direction of principal strain rate are analyzed.
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 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.
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