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Rock Mechanics and Rock Engineering

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01-01-2014 | Original Paper

Influences of Mineralogy and Water Content on the Mechanical Properties of Argillite

Authors: D. W. Hu, F. Zhang, J. F. Shao, B. Gatmiri

Published in: Rock Mechanics and Rock Engineering | Issue 1/2014

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Abstract

Callovo-Oxfordian (Cox) argillite was investigated in the context of feasibility studies for an underground repository for nuclear waste. In this study, the influence of mineralogical composition and water content on the mechanical properties of the Cox argillite was investigated. The samples were drilled from three representative depths at which the rock formations have different mineralogical compositions. Micro-indentation and mini-compression tests were performed on samples with different water contents. The elastic and failure properties of argillite were determined and were found to be related to the mineralogical composition and water content. Both the elastic modulus and strength decrease with increasing clay and water contents.

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Title: Influences of Mineralogy and Water Content on the Mechanical Properties of Argillite
Authors: D. W. Hu
F. Zhang
J. F. Shao
B. Gatmiri
Publication date: 01-01-2014
Publisher: Springer Vienna
Published in: Rock Mechanics and Rock Engineering / Issue 1/2014
Print ISSN: 0723-2632
Electronic ISSN: 1434-453X
DOI: https://doi.org/10.1007/s00603-013-0413-8

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