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Keywords: rockmass
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Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0481
... impact of relaxation on both rockmass stability and the capacity of standard cablebolt reinforcement systems. The voussoir analogue for jointed beam stability is used to investigate the impact of stress reduction parallel to the back and walls of underground mine stopes and to provide an relaxation...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0613
... reservoir geomechanics rockmass rock bolt rock mass geometrical arrangement auxiliary stress deformation compatibility Reservoir Characterization Engineering strain energy SCM Upstream Oil & Gas rockbolt constituent material support composite material support system equation...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0473
... of factors, in- cluding: pillar dimensions; volume and stability of the underlying stope; presence and location of any backfill; proximity of adjacent mining voids; rockmass strength, deformability and quality; presence and characteristics of weakness zones; and thickness of soil overburden...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1951
... a better understanding of support-rockmass interaction. While the use of numerical modelling techniques has grown over the past decade, until recently detailed modelling of blocky systems has not been widely used. Most of the modelling work carried out has made use of continuum models, the results have...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1911
... stress concentrations which might otherwise restfit in rockburst, is simulated by modifying the deformation properties of the rockmass in the destressed zone. The results indicate that large reductions in strain energy densities and stresses are attainable in the fractured zone of a destress blast...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1589
... 1 INTRODUCTION ABSTRACT: Research on damage process in the region of low confinement near openings, subjected to high in-situ stresses, suggests that it initiates in a moderately jointed brittle rockmass by the nucleation and growth of extension fractures within the intact rock material...
Proceedings Papers

Paper presented at the 1st North American Rock Mechanics Symposium, June 1–3, 1994
Paper Number: ARMA-1994-0961
... the wave source, the rockmass, the mechanical rockbolt, and the anchor and head connections. The model was calibrated using field data from the blasts, and parametric studies of the influence of various system parameters on the dynamic behaviour of the rockbolt were carried out. It was found that the wave...

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