Hazard assessment when mining orebodies under shear loading

F. T. Suorineni, P. K. Kaiser, J. Delgado

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

This paper presents causes for elevated hazards in orebodies with inclined far-field stresses and shows that numerical and empirical approaches used in the analysis of orebodies under normal far-field stress loading conditions can give misleading conclusions when applied to sheared orebodies. Example procedures for identifying potential hazards in sheared orebodies and planning for such hazards are given using the F-Zone of Campbell Red Lake Mine. The F-Zone of the Campbell Red Lake Mine is not continuous, has offsets and is under shear loading and thus is unique in the study of orebodies under shear loading. The primary objective of this study was to provide guidelines for the safe and economic extraction of remnant sill and boxhole pillars in the F-Zone. The guidelines were to include identification of safe and economic distances of drifts (drift layout) for remote access to the orebody. A Drifts@Risk approach developed for drifting in stressed ground at the Laurentian University Geomechanics Research Centre was utilized to establish setbacks for future developments and the identification of the optimum drift layout.

Original languageEnglish
Title of host publicationProceedings of the 1st Canada-US Rock Mechanics Symposium - Rock Mechanics Meeting Society's Challenges and Demands
PublisherTaylor and Francis/ Balkema
Pages1377-1384
Number of pages8
ISBN (Print)0415444012, 9780415444019
DOIs
Publication statusPublished - Dec 1 2007
Externally publishedYes
Event1st Canada-US Rock Mechanics Symposium - Rock Mechanics Meeting Society's Challenges and Demands - Vancouver, BC, Canada
Duration: May 27 2007May 31 2007

Publication series

NameProceedings of the 1st Canada-US Rock Mechanics Symposium - Rock Mechanics Meeting Society's Challenges and Demands
Volume2

Conference

Conference1st Canada-US Rock Mechanics Symposium - Rock Mechanics Meeting Society's Challenges and Demands
CountryCanada
CityVancouver, BC
Period5/27/075/31/07

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Civil and Structural Engineering

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