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Experimental and Numerical Study on Creep Behaviour of a Soft Rock

机译:软岩蠕变行为的实验与数值研究

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摘要

In this study, a series of laboratory tests including triaxial compression creep tests and shear creep tests, were conducted on a soft rock – strong weathered sandstone in order to investigate the creep behaviours. Based on test results, the creep deformations of mudstone are analyzed. In addition, a viscoelastic model - Burgers model was selected to simulate numerically the creep behaviour in triaxial and shear conditions. The parameters identified from triaxial compression creep tests and shear creep tests are compared between different stress levels.
机译:在这项研究中,对软岩石-强风化砂岩进行了一系列的实验室测试,包括三轴压缩蠕变测试和剪切蠕变测试,以研究蠕变行为。根据试验结果,分析了泥岩的蠕变变形。此外,选择了粘弹性模型-Burgers模型以数值模拟三轴和剪切条件下的蠕变行为。从三轴压缩蠕变测试和剪切蠕变测试中识别出的参数在不同应力水平之间进行比较。

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