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Keywords: operation
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-007
... and alert personnel of rock wall movements that may result in instability. The success of using radar in monitoring slopes is verified by the rapid adoption of the technology by major mining operations throughout the world. This paper provides a brief outline of some of the slope instability risk management...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-150
... and operation of underground LNG storage in lined rock caverns are technically feasible from a rock mechanical point of view. The Daejeon LNG storage pilot cavern represents an important step in the validation of the technology of lined cavern storage of LNG. Even though the cavern was small, this project has...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-146
... with dirt and concrete during the construction work, and natural streams around the tunnel are required to be redi- rected by man-made channels. Up to date, the non- point source of metal contaminants caused by tunnel constructions and the environs of operating tunnels has not been extensively investigated...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-176
...1 INTRODUCTION The Porcupine gold mining camp, located in Tim- mins, Ontario has been in continuous production since 1910. Over that period, approximately 65 mil- lion ounces of gold have been produced by more than fifty mining operations. Most of the under- ground stoping in the upper levels...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-161
... strength slope failure evaluation rock slope failure Reservoir Characterization quarry face instability shear strength joint attitude rock mass structure operation rock block friction angle Upstream Oil & Gas specimen MPa shear test 1 INTRODUCTION Open pit quarry...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-162
... metals & mining ground condition undercut level Reservoir Characterization Indonesia operation closure drawpoint muck cave front convergence freeport indonesia DOZ block cave convergence rate extraction level skarn Ground Support DOZ block cave rock type east doz 1...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-177
... carried out as part of this study revealed that the condition of pillars around the perimeter of bench mining operations can be worse than elsewhere in the mine. Unstable pillar ribs represent a rock fall hazard to mine personnel. Over the decade from 1996 through 2005, ground falls were the cause of 36...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-193
...) The operations are conducted on the surface through boreholes, and hence will not interfere with underground mining operations. (2) The technology uses waste material (e.g. flyash or coal washery fines) as the injection materi- al, hence reduces the need for surface waste disposal and the associated...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-178
... ABSTRACT ABSTRACT: Doe Run’s Southeast Missouri Mining and Milling Division (SEMO) currently operates six underground room and pillar mines which produce approximately 5.1 million tonnes per year of lead, zinc and copper ore. Pillar extraction represents approximately 34% of this tonnage...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-158
... began in 1970. The Grasberg deposit was discovered in 1988, and the district has seen almost continuous reserve increases and production expansion through to to- day s production rate of about 240,000 tonnes per day. The Grasberg Open Pit, PTFI s flagship operation in the Grasberg minerals district...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-159
...1 INTRODUCTION 1.1 Study framework An increasing number of large open-pit operations are implementing in their mine planning the exploitation of the ore reserves at depth by a transition to underground mining. Finsch Mine (South Africa), Kidd Creek Mine (Canada), El Soldado Mine (Chile...