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Rock Mechanics and Rock Engineering

Erschienen in:

01.01.2015 | Original Paper

An Experimental Study and Constitutive Modeling of Saturated Porous Rocks

verfasst von: S. Y. Xie, J. F. Shao

Erschienen in: Rock Mechanics and Rock Engineering | Ausgabe 1/2015

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Abstract

This paper is devoted to the experimental characterization and constitutive modeling of saturated porous rocks. A typical porous chalk is investigated. Drained hydrostatic and triaxial compression tests are first performed to characterize the basic mechanical behavior of chalk. Drained triaxial tests with constant interstitial pressure are then carried out to study the effects of interstitial pressure on the plastic deformation and failure criterion. Finally, undrained triaxial compression tests are performed to investigate poromechanical coupling in saturated conditions. Based on the experimental data and some relevant micromechanical considerations, a micromechanics-based plastic model is proposed and extended to poroplastic coupling using the effective stress concept. The proposed model is verified through comparisons between the numerical results and experimental data for both drained and undrained tests.

Vorheriger Artikel Experimental and Numerical Analysis of the Shear Behaviour of Cemented Concrete–Rock Joints

Nächster Artikel Early Warning Monitoring of Natural and Engineered Slopes with Ground-Based Synthetic-Aperture Radar

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Titel: An Experimental Study and Constitutive Modeling of Saturated Porous Rocks
verfasst von: S. Y. Xie
J. F. Shao
Publikationsdatum: 01.01.2015
Verlag: Springer Vienna
Erschienen in: Rock Mechanics and Rock Engineering / Ausgabe 1/2015
Print ISSN: 0723-2632
Elektronische ISSN: 1434-453X
DOI: https://doi.org/10.1007/s00603-014-0561-5

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