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Numerical geomechanical modeling for the Stillwater Mine, Nye, Montana.

Authors
MacLaughlin-MM; Langston-RB; Brady-TM
Source
Rock Mechanics in the National Interest. Vol. I, Lisse, Netherlands: A. A. Balkema, 2001 Jul; 1:423-432
Link
NIOSHTIC No.
20021376
Abstract
A geomechanical numerical modeling research project is being conducted for the Stillwater Mine located in Nye, Montana. The project involves identifying potential ground control problems and exploring various methods of modeling the behavior of the rock, with objectives of improving underground safety and facilitating optimum support design. During the preliminary modeling stage of the project, it was determined using continuum-based approaches that the discontinuities can control the behavior of the rock; the data collection system at the mine was subsequently adjusted to provide more information about the rock joints. A parametric study of possible underground conditions at one specific site was then conducted using discrete element methods. The results compare well with a rough analysis of the conditions. A discussion of the strengths and limitations of the methods employed and the significance of the results is included.
Keywords
Models; Underground-mining; Underground-miners; Mining-industry; Safety-measures; Rock-mechanics; Rock-falls; Rock-bursts; Ground-control; Mathematical-models
Publication Date
20010707
Document Type
Book or book chapter; Conference/Symposia Proceedings
Editors
Elsworth-D; Tinucci-JP; Heasley-KA
Fiscal Year
2001
NTIS Accession No.
NTIS Price
ISBN No.
9026518277
NIOSH Division
SRL
Source Name
Rock Mechanics in the National Interest: Proceedings of the 38th U.S. Rock Mechanics Symposium, DC Rocks 2001, Washington, D. C., 7-10 July, 2001
State
WA; MT
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