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Rock Mechanics and Rock Engineering

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01-02-2010 | Technical Note

Development of a New Direct Shear Testing Apparatus

Authors: G. Barla, M. Barla, M. E. Martinotti

Published in: Rock Mechanics and Rock Engineering | Issue 1/2010

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Shear strength of rocks is usually investigated by means of unconfined and triaxial compression tests. Direct shear tests are generally applicable only to natural or artificial joints. In the case of soft cataclastic rocks, instead the interest may be focused on the shear behaviour of the full matrix more than on the behaviour of a clearly defined discontinuity plane. This is the case for example when the matrix forms the sliding/shear zone of a deep seated gravitational slope deformation. …

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Barla G, Ballatore S, Chiappone A, Frigerio A, Mazzà G (2006) The Beauregard dam (Italy) and the deep-seated gravitational deformation on the left slope. In: Proceedings of hydropower 2006 international conference, Kunming, 23–25 October 2006

Jiang Y, Xiao J, Tanabashi Y, Mizokami T (2004) Development of an automated servo-controlled direct shear apparatus applying a constant normal stiffness condition. Int J Rock Mech Min Sci 41:275–286CrossRef

Hans J, Boulon M (2003) A new device for investigating the hydro-mechanical properties of rock joints. Int J Numer Anal Methods Geomech 27:513–548CrossRef

Title: Development of a New Direct Shear Testing Apparatus
Authors: G. Barla
M. Barla
M. E. Martinotti
Publication date: 01-02-2010
Publisher: Springer Vienna
Published in: Rock Mechanics and Rock Engineering / Issue 1/2010
Print ISSN: 0723-2632
Electronic ISSN: 1434-453X
DOI: https://doi.org/10.1007/s00603-009-0041-5

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