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Rock Mechanics and Rock Engineering

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12-10-2015 | Original Paper

Behaviour of Weak Shales in Underground Environments

Authors: C. Derek Martin, Silvio Giger, G. W. Lanyon

Published in: Rock Mechanics and Rock Engineering | Issue 2/2016

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Abstract

Predicting the ground response for tunnels in weak shales remains challenging. Predicting the ground response is challenged by difficulties in characterising the material, and our ability to predict deformations that are driven by coupled hydromechanical processes, when this material yields. The techniques that are used for characterising weak shales are reviewed, and three case histories are examined that demonstrate the behaviour of these weak rocks during tunnelling. A general framework is provided for assessing the squeezing potential for weak shales.

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Title: Behaviour of Weak Shales in Underground Environments
Authors: C. Derek Martin
Silvio Giger
G. W. Lanyon
Publication date: 12-10-2015
Publisher: Springer Vienna
Published in: Rock Mechanics and Rock Engineering / Issue 2/2016
Print ISSN: 0723-2632
Electronic ISSN: 1434-453X
DOI: https://doi.org/10.1007/s00603-015-0860-5

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