以下为句子列表：
英文: According to the creep mechanism of rock and surrounding rock and the control principle for rock creep, a new critical principle for steady creep of rock was put forward, and an optimum method for calculating the constant resistance supporting of roadway
中文: 摘要根据岩石和围岩的蠕变机理以及岩石流变控制原则，在实验研究的基础上，提出了新的岩石稳定蠕变准则，并建立起一个岩石最优恒阻支护计算方法。
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英文: The latest experimental results of rock creep were used: the third invariant of deviator stress tensor had greater effect on creep properties; the stress threshold of lateral creep of rock was 20%~40% less than that of axial creep of the same rock.
中文: 文中应用了课题组近期岩石流变实验研究的结果：应力偏量第三不变量对岩石蠕变影响显著；岩石侧向蠕变的应力阀值比轴向蠕变应力阀值低20%~40%。
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