Mesomechanics finite-element method for determining the shear strength of mudded intercalation materials |
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Authors: | Qijun Hu Rendan Shi Xiaoqiang Yang Qijie Cai Tianjun He Leping He |
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Affiliation: | 1.School of Civil Engineering and Architecture,Southwest Petroleum University,Chengdu,China;2.School of Transportation and Logistics,Southwest Jiaotong University,Chengdu,China |
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Abstract: | A new method regarding mesomechanics finite-element research is proposed to predict the peak shear strength of mudded intercalation materials on a mesoscopic scale. Based on geometric and mechanical parameters, along with the strain failure criteria obtained by sample’s deformation characteristics, uniaxial compression tests on the sample were simulated through a finite-element model, which yielded values consistent with the data from the laboratory uniaxial compression tests, implying that the method is reasonable. Based on this model, a shear test was performed to calculate the peak shear strength of the mudded intercalation, consistent with values reported in the literature, thereby providing a new approach for investigating the mechanical properties of mudded intercalation materials. |
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