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Evaluation of shear strength of rock joints subjected to cyclic loading

Jafari, M.K / Amini Hosseini, K / Pellet, F / Boulon, M / Buzzi, O

AbstractVariation of the shear strength of rock joints due to cyclic loadings is studied in the present paper. Identical joint surfaces were prepared using a developed moulding method with special mortar and shear tests were performed on these samples under both static and cyclic loading conditions. Different levels of shear displacement were applied on the samples to study joint behaviour before and during considerable relative shear displacement. It was found that the shear strength of joints is related to rate of displacement (shearing velocity), number of loading cycles and stress amplitude. Finally, based on the experimental results, mathematical models were developed for evaluation of shear strength in cyclic loading conditions.

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Evaluation of shear strength of rock joints subjected to cyclic loading

Jafari, M.K / Amini Hosseini, K / Pellet, F / Boulon, M / Buzzi, O

AbstractVariation of the shear strength of rock joints due to cyclic loadings is studied in the present paper. Identical joint surfaces were prepared using a developed moulding method with special mortar and shear tests were performed on these samples under both static and cyclic loading conditions. Different levels of shear displacement were applied on the samples to study joint behaviour before and during considerable relative shear displacement. It was found that the shear strength of joints is related to rate of displacement (shearing velocity), number of loading cycles and stress amplitude. Finally, based on the experimental results, mathematical models were developed for evaluation of shear strength in cyclic loading conditions.

Evaluation of shear strength of rock joints subjected to cyclic loading

Jafari, M.K / Amini Hosseini, K / Pellet, F / Boulon, M / Buzzi, O

AbstractVariation of the shear strength of rock joints due to cyclic loadings is studied in the present paper. Identical joint surfaces were prepared using a developed moulding method with special mortar and shear tests were performed on these samples under both static and cyclic loading conditions. Different levels of shear displacement were applied on the samples to study joint behaviour before and during considerable relative shear displacement. It was found that the shear strength of joints is related to rate of displacement (shearing velocity), number of loading cycles and stress amplitude. Finally, based on the experimental results, mathematical models were developed for evaluation of shear strength in cyclic loading conditions.

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Title:

Evaluation of shear strength of rock joints subjected to cyclic loading

Contributors:

Jafari, M.K (author) / Amini Hosseini, K (author) / Pellet, F (author) / Boulon, M (author) / Buzzi, O (author)

Published in:

Soil Dynamics and Earthquake Engineering ; 23 ; 619-630

Publication date:

2003-05-05

Size:

12 pages

ISSN:

DOI:

https://doi.org/10.1016/S0267-7261(03)00063-0

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Shear strength , Roughness , Cyclic loading , Shearing velocity , Number of cycles , Stress amplitude

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