The creep of salt rock is very harmful in petroleum drilling.
盐岩蠕变对石油钻井危害性极大。
The nonlinear creep damage mechanism of rock salt is investigated with triaxial creep tests, theoretical analysis and numerical simulation in the study.
本文通过盐岩三轴蠕变实验、理论分析和数值计算研究了盐岩的非线性蠕变损伤机理。
Through the creep characteristic curves and parameters, the creep constitutive equation of rock salt is regressed and agrees with the experiment result.
通过实验获得的蠕变曲线和岩石参数，回归出了盐岩的蠕变本构方程，结果表明该方程能较好的模拟实验结果。
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