Rock failure progressive processes in static tests and dynamic impact tests are modelled using a hybrid finite-discrete element method. The simulated results are then compared with these recorded in literatures to calibrate the hybrid method. After that, the hybrid finite-discrete element method is applied to model rock excavation in mechanical cutting. Throughout this study, it is concluded that the hybrid finite-discrete element method is superior to the continuum-based finite element method and the discontinuum-based discrete element method in terms of modelling rock failure progressive process and resultant fragment flow, and may be a valuable numerical tool for optimizing the design of rock cutting and drilling equipments.

Item Type:	Refereed Conference Paper
Keywords:	rock failure, dynamic impact, fragment muck-piling, hybrid method
Research Division:	Engineering
Research Group:	Resources engineering and extractive metallurgy
Research Field:	Geomechanics and resources geotechnical engineering
Objective Division:	Construction
Objective Group:	Construction processes
Objective Field:	Civil construction processes
UTAS Author:	Liu, H (Dr Hong Liu)
ID Code:	86678
Year Published:	2013
Deposited By:	Engineering
Deposited On:	2013-10-09
Last Modified:	2014-08-05
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