Simmulation of Rough Rock Joints under Shear Stress
Journal Title: International Journal of engineering Research and Applications - Year 2018, Vol 8, Issue 7
Abstract
nature that comprises intact rock units separated by discontinuities, e.g. joints, faults and bedding planes. The characteristics of rock joints have major influences on the rock mass behavior and the consequent failure mechanism. The shear performance of the rock joints is vastly affected by the morphology of the joint surface, which stands for the joint surface roughness. Therefore, tilting tests are performed on artificial rock samples to investigate the influences of the surface roughness on the shear performance of rock joints. Moreover, a 3D numerical model, based on the Finite Element Method, is proposed in the present study. The results are compared with experimental results of tilting test and with previously published experimental reults of largescale direct shear test and published numerical results performed using Distinct Element Method. The numerical model is used then in a parametric study to illustrate the influence of the morphology of the joint surface on the shear strength.
Authors and Affiliations
Helmy. H. , Tawfek. M. , Embaby. K.
Keywords
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- EP ID EP395001
- DOI 10.9790/9622-0807047077.
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