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Hybrid finite-discrete element modelling of asperity shearing and gouge arching in rock joint fracturing

Citation

Liu, HY and An, HM and Gao, J, Hybrid finite-discrete element modelling of asperity shearing and gouge arching in rock joint fracturing, Proceedings of the 34th International Conference on Ground Control in Mining (China 2015), 17-19 October, Jiaozuo, Henan, China, pp. 159-165. (2015) [Refereed Conference Paper]


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Abstract

A hybrid finite-discrete element method is implemented to model the asperity shearing and gouge arching during the direct shearing of rough rock joints. The modelled results reproduce the asperity sliding, damage, shearing and post-peak failure processes in the direct shear rock joints with various roughness profiles. It is concluded that the hybrid finite-discrete element method is a valuable numerical tool for studying rock joint fracturing.

Item Details

Item Type:Refereed Conference Paper
Keywords:hybrid FEM-DEM, rock joint, asperity sliding, asperity shearing, fragment arching
Research Division:Engineering
Research Group:Civil Engineering
Research Field:Civil Geotechnical Engineering
Objective Division:Construction
Objective Group:Construction Processes
Objective Field:Civil Construction Processes
Author:Liu, HY (Dr Hong Liu)
Author:An, HM (Mr Huaming An)
Author:Gao, J (Professor Jinhai Gao)
ID Code:105531
Year Published:2015
Deposited By:Engineering
Deposited On:2016-01-07
Last Modified:2016-07-25
Downloads:0

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