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Micromechanical Poroplasiticty Damage Formulations for Saturated Microcracked Rocks

Zhu, Qi-zhi / Xie, Ni / Shao, Jian-fu

We present homogenization-based constitutive thermodynamic formulations for poroplasticity damage modeling of saturated microcracked rocks. Emphases are put upon the case of closed frictional cracks of random distribution. Plastic flow due to frictional sliding, crack propagation characterized by an isotropic damage variable and evolution of pore pressure are coupled naturally and inherently. A simple numerical application is presented to show the predictive ability of the proposed model.

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Micromechanical Poroplasiticty Damage Formulations for Saturated Microcracked Rocks

Zhu, Qi-zhi / Xie, Ni / Shao, Jian-fu

We present homogenization-based constitutive thermodynamic formulations for poroplasticity damage modeling of saturated microcracked rocks. Emphases are put upon the case of closed frictional cracks of random distribution. Plastic flow due to frictional sliding, crack propagation characterized by an isotropic damage variable and evolution of pore pressure are coupled naturally and inherently. A simple numerical application is presented to show the predictive ability of the proposed model.

Micromechanical Poroplasiticty Damage Formulations for Saturated Microcracked Rocks

Zhu, Qi-zhi / Xie, Ni / Shao, Jian-fu

We present homogenization-based constitutive thermodynamic formulations for poroplasticity damage modeling of saturated microcracked rocks. Emphases are put upon the case of closed frictional cracks of random distribution. Plastic flow due to frictional sliding, crack propagation characterized by an isotropic damage variable and evolution of pore pressure are coupled naturally and inherently. A simple numerical application is presented to show the predictive ability of the proposed model.

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Title:

Micromechanical Poroplasiticty Damage Formulations for Saturated Microcracked Rocks

Additional title:

Springer Ser.Geomech.,Geoengineer.

Contributors:

Yang, Qiang (editor) / Zhang, Jian-Min (editor) / Zheng, Hong (editor) / Yao, Yangping (editor) / Zhu, Qi-zhi (author) / Xie, Ni (author) / Shao, Jian-fu (author)

Published in:

Constitutive Modeling of Geomaterials ; Chapter: 54 ; 387-390

Springer Series in Geomechanics and Geoengineering

Publication date:

2013-01-01

Size:

4 pages

ISBN:

978-3-642-32814-5 , 978-3-642-32813-8

ISSN:

1866-8763 , 1866-8755

DOI:

https://doi.org/10.1007/978-3-642-32814-5_54

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Pore Pressure , Representative Elementary Volume , Damage Evolution , Damage Variable , Strain Energy Release Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences

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