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文中建议一个岩石的复合型等效周向应变准则,这一准则与作者的实验结果接近。本文还建议了两个复合型初始断裂经验准则。
In this paper, we propose a composite equivalent circumferential strain criterion for rock, which is close to the author’s experimental results. The paper also suggests two empirical guidelines for composite initial fracture.