...k interface; local shear band; plastic failure zone [gap=26642]关键词：岩−煤−岩串联模型；强弱组合交界面强度；剪切带；塑性破坏区 ...
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For dilative material in shear, the increment of local volumetric strain in shear band and the normal deformation of shear band due to shear dilatancy were derived.
在剪胀条件下，分析了剪切带内部的局部体积应变增量及由于剪胀而引起的剪切带的法向变形。
Local void ratio and average void ratio in shear band are investigated as residual shear strength is reached.
在流动剪切应力为残余剪切强度时，对剪切带内部的局部孔隙比和平均孔隙比进行了理论分析。
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