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Rock Mechanics and Rock Engineering

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14-08-2020 | Technical Note

Analysis of Fractured Rock Permeability Evolution Under Unloading Conditions by the Model of Elastoplastic Contact Between Rough Surfaces

Authors: Y. Zhao, C. L. Wang, J. Bi

Published in: Rock Mechanics and Rock Engineering | Issue 12/2020

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Underground excavations usually cause stress unloading of the surrounding rock masses. Due to the stress release, these engineering activities may lead the rock mass to deform and produce macroscopic fractures (Qiu et al. 2014; Zhang et al. 2016, 2020; Zhao et al. 2019a), which increases the rock mass permeability significantly and, finally, triggers engineering problems such as mine water inrush and water loss (Li et al. 2019a, b). Therefore, a knowledge of changes in the permeability of rock joints that result from the stresses unloading around geotechnical engineering projects is crucially important. …

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Title: Analysis of Fractured Rock Permeability Evolution Under Unloading Conditions by the Model of Elastoplastic Contact Between Rough Surfaces
Authors: Y. Zhao
C. L. Wang
J. Bi
Publication date: 14-08-2020
Publisher: Springer Vienna
Published in: Rock Mechanics and Rock Engineering / Issue 12/2020
Print ISSN: 0723-2632
Electronic ISSN: 1434-453X
DOI: https://doi.org/10.1007/s00603-020-02224-x

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