对双剪统一屈服准则所表征的材料屈服极限和滑移面方向特性作了分析。
Two aspects of the yield limits and the slip directions for materials in the twin-shear unified yield criterion are analyzed in this paper.
由此可见，双剪统一屈服准则尚不能很好地描述材料屈服时的滑移特性。
So it is summarized that the twin-shear unified yield criterion could not give a proper descriptions to the slip characteristics for the materials when yielding.
岩土类材料强度理论分为单剪强度理论、三剪强度理论和双剪强度理论。
The strength theories of geotechnical materials can be classified as single shear strength theory, tri-shear strength theory and twin-shear strength theory.
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