Kemmerer Mine—Wyoming
Chevron Mining, Inc. Highwall Slope Stability AAI has investigated various aspects of highwall stability at several pits at the Kemmerer Mine, including large-scale slope failure, wedge analysis, [...]
Stability of Open Stopes Intercepted by Graphitic Shears at Ashanti Goldfields Company Ltd., Obuasi Operations in Ghana
2003 SME Annual Meeting & Exhibit, 24–26 February 2003, Cincinnati, Ohio Authors: A. Adu-Acheampong (AAI) A geotechnical study was conducted to identify the cause(s) of stope instability at [...]
Numerical Modeling of Rock Ridge Breakage in Rotary Cutting
ARMA General Meeting, Vancouver, British Columbia, Canada, 2007Authors: Bo Yu (AAI) and A. W. Khair (West Virginia University) In this paper, the finite element code, LS-DYNA 3D, was [...]
Ground Support Design Using Three-Dimensional Numerical Modeling at Molycorp, Inc.’s, Block Caving Questa Mine
MassMin Chile 2004, Santiago, Chile, August 2004 Authors: L. J. Gilbride and J. F. T. Agapito (AAI) and R. Kehrman (Molycorp, Inc.) The Molycorp, Inc., Questa Mine, located in New Mexico, [...]
Modeling Block Cave Subsidence at the Molycorp, Inc., Questa Mine Mine—A Case Study
(© Copyright 2005, ARMA, American Rock Mechanics Association) Alaska Rocks 2005, 40th U.S. Symposium on Rock Mechanics: Rock Mechanics for Energy, Mineral and Infrastructure Development in the [...]
The Influence of Massive Sandstones in the Main Roof of Longwall Support Loading
15th International Conference on Ground Control in Mining, Golden, Colorado, 13–15 August 1996 Authors: A. M. Richardson and L. J. Gilbride (AAI), and J. Trackemas and J. Mercier (Cyprus Plateau [...]
Fracture Reopening During Hydraulic Fracturing Stress Determinations
International Journal of Rock Mechanics and Mining Science, October 1988Authors: M. P. Hardy and M. I. Asgian (AAI) This paper addresses the problem of the interaction of borehole and fracture [...]
Evaluation of Ground Control Requirements for D Orebody Load-Haul-Dump Block Molycorp
41st U.S. Symposium on Rock Mechanics, Golden, Colorado, USA, July 17-21, 2006 Authors: B. Yu, L. J. Gilbride and J. F. T. Agapito (AAI) Molycorp, Inc.’s Questa Mine plans to switch from gravity [...]
American Oil Shale Corporation (AMSO)
Piceance Basin, Colorado American Shale Oil Corporation (AMSO) holds one of three preference right leases granted in 2007 by the U. S. Bureau of Land Management for the research, design, and [...]
Assessment of Gate Road Loading Under Deep Western U.S. Conditions
3rd International Workshop on Coal Pillar Mechanics and Design, Morgantown, West Virginia, July 26, 2010 Authors: Tom Vandergrift and David Conover (AAI) Currently accepted longwall abutment [...]
Ground Control Design Challenges at the El Boleo Copper Project
28th International Conference on Ground Control in Mining, Morgantown, West Virginia, July 28–30, 2009 Authors: D. Conover and T. Ross (AAI) and S. Britton (Baja Mining Corp.) The El Boleo [...]
Molycorp Questa Mine
Molybdenum ore is mined by block caving methods at Molycorp’s Questa Mine. AAI has provided geotechnical consulting services to the mine since 1979 as follows: Evaluation of decline rock support [...]
