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Analysis of caving behaviour using a synthetic rock mass — ubiquitous joint rock mass modelling technique

conference contribution
posted on 2008-01-01, 00:00 authored by Bre-Anne SainsburyBre-Anne Sainsbury, M Pierce, D Mas Ivars
Traditional approaches to cave analysis do not provide a means for the robust examination of how key inputs such as fracture orientation and fracture persistence impact rock mass strength and its response to caving. A ubiquitous jointed rock mass (UJRM) technique has been developed to represent rock mass strength anisotropy and scale effects within FLAC3D, as determined from synthetic rock mass (SRM) testing. The development of a UJRM within large-scale numerical simulations of caving show that variations in joint orientation have a significant effect on the evolving cave shape and the rate of cave propagation. The UJRM technique has been applied to a back analysis of caving and the associated pit slope failure mechanism at the Palabora mine in South Africa.

History

Event

Australian Centre for Geometrics. Symposium (1st : 2008 : Perth, W.A.)

Series

Australian Centre for Geometrics Symposium

Pagination

1 - 11

Publisher

Australian Centre for Geomechanics

Location

Perth, W.A.

Place of publication

Perth, W.A.

Start date

2008-01-01

End date

2008-01-01

Language

eng

Publication classification

E Conference publication; E1.1 Full written paper - refereed

Copyright notice

2018, Australian Centre for Geomechanics (ACG), The University of Western Australia

Editor/Contributor(s)

Y Potvin, J Carter, A Dyskin, R Jeffrey

Title of proceedings

SHIRMS 2008 : Proceedings of the First Southern Hemisphere International Rock Mechanics Symposium

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