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CANADIAN GEOTECHNICAL CONFERENCE JOINT IAH-CNC/CGS CONFERENCE
 

Summary: 56TH
CANADIAN GEOTECHNICAL CONFERENCE
4TH
JOINT IAH-CNC/CGS CONFERENCE
2003 NAGS CONFERENCE
56ième
CONFÉRENCE CANADIENNE DE GÉOTECHNIQUE
4ième
CONFÉRENCE CONJOINTE AIH-CCN/SCG
2003 NAGS CONFÉRENCE
ESTIMATION OF POST-PEAK BEHAVIOUR OF BRITTLE ROCKS USING
A CONSTITUTIVE MODEL FOR ROCK JOINTS
Richard Simon, École Polytechnique, Montréal, Canada
Michel Aubertin, École Polytechnique, Montréal, Canada
Desheng Deng, École Polytechnique, Montréal, Canada
ABSTRACT: The evaluation of rockburst potential near underground structures requires the knowledge of the post-peak
behaviour of rock and rock masses. However, the laboratory determination of the post-peak properties during uniaxial
compression tests of brittle rocks is often difficult to realise. This paper shows how a constitutive model recently
developed for rock joints can be used to estimate this post-peak behaviour. The proposed approach leads to this
estimation when full post-peak curves have been obtained from triaxial compression tests or from uniaxial compression

  

Source: Aubertin, Michel - Département des génies civil, géologique et des mines, École Polytechnique de Montréal

 

Collections: Engineering; Environmental Management and Restoration Technologies