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Keywords: rockmass
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Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-031
...1 INTRODUCTION 1.1 Damage initiation and hard rock strength This paper deals with hard rock (including but not limited to granitoids, gneisses, quartzites and non- foliated mafics) of high rockmass quality (as defined for example by the GSI system of Hoek & Marinos (2000), as shown in Figure 1...
Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-145
... considerations. This work involves the use of 2D and 3D research models of tunnel sequencing for numerical simulation of composite material behaviour and sequential tunnel deformation response with a goal to investigating the strength and deformation of heterogeneous rockmasses. A discussion of the geological...
Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-164
... ABSTRACT ABSTRACT: The São Bento Mineração gold mine is located in the eastern portion of the Iron Quadrangle mining district in Minas Gerais, Brazil. Currently the mining operations are in weak rockmass and at depth in excess of 1,000 m. Poor ground conditions and the increase in in-situ...

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