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Influence of machine stiffness and shear rate on the friction behaviour of rock joints

Influence de la Rigidite de l’Appareil et de la Vitesse de Cisaillement sur le Comportement des Fissures de Roches lors des Essais de Frottement

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Summary

A new servo-controlled shear testing machine is described, which eliminates the influence of the stiffness of the testing machine. The results of friction tests conducted on conventional shear machines are compared with those obtained with the new machine. Further a dependence of frictional resistance on shearing rate is demonstrated.

Résumé

L’article décrit une nouvelle machine de cisaillement automatique qui permettra d’éliminer l’influence des machines peu rigides sur les résultats des essais. On compare entre eux les résultats d’essais de frottement obtenus d’une part avec des machines classiques et d’autre part avec le nouvel appareil à cisaillement. En outre, on a pu mettre en évidence une relation entre la résistance au frottement et la vitesse de cisaillement.

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References

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Authors and Affiliations

  1. Institute for Soil Mechanics and Rock Mechanics, University of Karlsruhe, Karlsruhe, F.R. Germany

    Schneider H. J.

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  1. Schneider H. J.
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Institut für Bodenmechanik und Felsmechanik, Universität Karlsruhe, Postfach 6380, D 7500 Karlsruhe, F.R. Germany.

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Schneider, H.J. Influence of machine stiffness and shear rate on the friction behaviour of rock joints. Bulletin of the International Association of Engineering Geology 14, 109–112 (1975). https://doi.org/10.1007/BF02634741

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  • DOI: https://doi.org/10.1007/BF02634741

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