Study of the hydro-mechanical-damage coupled creep constitutive model of mudstone, Part II: Numerical algorithm and parameter inversion

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Study of the hydro-mechanical-damage coupled creep constitutive model of mudstone, Part II: Numerical algorithm and parameter inversion. / Jia, Shan-po; Chen, Wei-Zhong; Yu, Hong-Dan; Li, Xiang Ling; Chen, Guangjing (Peer reviewer).

In: Rock and Soil Mechanics, Vol. 32, No. 10, 10.2011, p. 3163-3170.

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Jia, Shan-po ; Chen, Wei-Zhong ; Yu, Hong-Dan ; Li, Xiang Ling ; Chen, Guangjing. / Study of the hydro-mechanical-damage coupled creep constitutive model of mudstone, Part II: Numerical algorithm and parameter inversion. In: Rock and Soil Mechanics. 2011 ; Vol. 32, No. 10. pp. 3163-3170.

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@article{e018881790544d40891222186f9bda8b,
title = "Study of the hydro-mechanical-damage coupled creep constitutive model of mudstone, Part II: Numerical algorithm and parameter inversion",
abstract = "Further analysis is performed on hydro-mechanical-damage coupled creep constitutive model of mudstone proposed by authors in part one (Rock and Soil Mechanics, 2011, 32(9): 2596-2601). Based on the continuum damage mechanics and Biot theory, the finite element equations of creep damage model are derived by considering the hydro-mechanical-damage coupling. A nonlinear finite element analysis program is developed based on the four-step numerical algorithm: i.e. elastic predictor-plastic corrector-damage corrector-permeability corrector. The developed numerical tool was applied to the analysis of the long term HM behaviour of the Boom clay around the Test Drift of URL HADES in Belgium. The unknown parameters of Boom clay are acquired by the method of displacement back analysis based on the in-situ lining deformation for about 20 years. The hydro-mechanical coupling process, the evolution of damage and the long term stability of the surrounding rock, the excavation induced permeability variation and subsequent self-sealing processes are studied by the proposed models.",
keywords = "mudstone, constitutive model, damage mechanics, hydro-mechanical coupling, finite elements, inversion",
author = "Shan-po Jia and Wei-Zhong Chen and Hong-Dan Yu and Li, {Xiang Ling} and Guangjing Chen",
note = "Score = 10",
year = "2011",
month = oct,
language = "English",
volume = "32",
pages = "3163--3170",
journal = "Rock and Soil Mechanics",
issn = "1000-7598",
publisher = "Academia Sinica",
number = "10",

}

RIS - Download

TY - JOUR

T1 - Study of the hydro-mechanical-damage coupled creep constitutive model of mudstone, Part II: Numerical algorithm and parameter inversion

AU - Jia, Shan-po

AU - Chen, Wei-Zhong

AU - Yu, Hong-Dan

AU - Li, Xiang Ling

A2 - Chen, Guangjing

N1 - Score = 10

PY - 2011/10

Y1 - 2011/10

N2 - Further analysis is performed on hydro-mechanical-damage coupled creep constitutive model of mudstone proposed by authors in part one (Rock and Soil Mechanics, 2011, 32(9): 2596-2601). Based on the continuum damage mechanics and Biot theory, the finite element equations of creep damage model are derived by considering the hydro-mechanical-damage coupling. A nonlinear finite element analysis program is developed based on the four-step numerical algorithm: i.e. elastic predictor-plastic corrector-damage corrector-permeability corrector. The developed numerical tool was applied to the analysis of the long term HM behaviour of the Boom clay around the Test Drift of URL HADES in Belgium. The unknown parameters of Boom clay are acquired by the method of displacement back analysis based on the in-situ lining deformation for about 20 years. The hydro-mechanical coupling process, the evolution of damage and the long term stability of the surrounding rock, the excavation induced permeability variation and subsequent self-sealing processes are studied by the proposed models.

AB - Further analysis is performed on hydro-mechanical-damage coupled creep constitutive model of mudstone proposed by authors in part one (Rock and Soil Mechanics, 2011, 32(9): 2596-2601). Based on the continuum damage mechanics and Biot theory, the finite element equations of creep damage model are derived by considering the hydro-mechanical-damage coupling. A nonlinear finite element analysis program is developed based on the four-step numerical algorithm: i.e. elastic predictor-plastic corrector-damage corrector-permeability corrector. The developed numerical tool was applied to the analysis of the long term HM behaviour of the Boom clay around the Test Drift of URL HADES in Belgium. The unknown parameters of Boom clay are acquired by the method of displacement back analysis based on the in-situ lining deformation for about 20 years. The hydro-mechanical coupling process, the evolution of damage and the long term stability of the surrounding rock, the excavation induced permeability variation and subsequent self-sealing processes are studied by the proposed models.

KW - mudstone

KW - constitutive model

KW - damage mechanics

KW - hydro-mechanical coupling

KW - finite elements

KW - inversion

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_119487

UR - http://knowledgecentre.sckcen.be/so2/bibref/8903

M3 - Article

VL - 32

SP - 3163

EP - 3170

JO - Rock and Soil Mechanics

JF - Rock and Soil Mechanics

SN - 1000-7598

IS - 10

ER -

ID: 250265