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A platform for research: civil engineering, architecture and urbanism
A Simplified Model for Clayey Rocks Having a Plastic Porous Matrix
This study is devoted to a micro-macro model of plastic deformation in a clayey rock which is composed of a ductile porous clay matrix and linear elastic mineral grains. By making use of nonlinear homogenization methods with a two-step homogenization procedure, we derive a closed form expression of the macroscopic plastic criterion which accounts for the effects of pores and of mineral inclusions simultaneously. Then, a non-associated flow rule is proposed. Comparisons between the predictions of the full micro-macro model and available experimental data show that the proposed model is able to capture the main features of the mechanical behavior of the clayey rock.
A Simplified Model for Clayey Rocks Having a Plastic Porous Matrix
This study is devoted to a micro-macro model of plastic deformation in a clayey rock which is composed of a ductile porous clay matrix and linear elastic mineral grains. By making use of nonlinear homogenization methods with a two-step homogenization procedure, we derive a closed form expression of the macroscopic plastic criterion which accounts for the effects of pores and of mineral inclusions simultaneously. Then, a non-associated flow rule is proposed. Comparisons between the predictions of the full micro-macro model and available experimental data show that the proposed model is able to capture the main features of the mechanical behavior of the clayey rock.
A Simplified Model for Clayey Rocks Having a Plastic Porous Matrix
Springer Ser.Geomech.,Geoengineer.
Yang, Qiang (editor) / Zhang, Jian-Min (editor) / Zheng, Hong (editor) / Yao, Yangping (editor) / Shen, Wanqing (author) / Shao, Jianfu (author) / Kondo, Djimédo (author)
2013-01-01
5 pages
Article/Chapter (Book)
Electronic Resource
English
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