The increasing failure is more and more obvious in yield phase with the increase in initial confining pressure;

随初始围压的增大，屈服阶段卸围压时试件加速破坏的趋势更加明显；

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The increasing failure is more and more obvious in yield phase with the increase in initial confining pressure;

随初始围压的增大，屈服阶段卸围压时试件加速破坏的趋势更加明显；

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