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Empirical mine design for western underground metal mines.

Authors
Brady-T; Pakalnis-R; Martin-L; Williams-T; Hughes-P
Source
Proceedings of the 25th International Conference on Ground Control in Mining, August 1-3, 2006, Morgantown, West Virginia. Peng SS, Mark C, Finfinger GL, Tadolini S, Khair AW, Heasley KA, Luo Y, eds., Morgantown, WV: West Virginia University, 2006 Aug; :1-9
Link
NIOSHTIC No.
20031639
Abstract
The Spokane Research Laboratory/NIOSH and the University of British Columbia (UBC) geomechanics group are focusing on the development of safe and cost-effective underground design guidelines for weak rock masses having an RMR in the range of 15% to 45%. Weak ground conditions, ground support, and mining methods used in several North American underground mines were observed. The RMR values were calculated to update both span design calculations and stability graphs, and a database on underhand mining methods was developed to reflect existing North American mining conditions. The immediate rock mass was also characterized and analyzed in terms of prevailing type of ground support, potential failure mechanisms, and rock behavior to define how existing design curves must be modified for weak rock mass. The current NIOSH research attempts to provide rock mechanics tools to assist a mine operator in making sound economic decisions that will also ensure a safe working environment.
Keywords
Mining-industry; Underground-mining; Geology; Rock-bursts; Rock-falls; Rock-mechanics; Ground-control; Ground-stability; Models; Computer-models
Publication Date
20060801
Document Type
Conference/Symposia Proceedings
Editors
Peng-SS; Mark-C; Finfinger-GL; Tadolini-SC; Khair-AW; Heasley-KA; Luo-Y
Fiscal Year
2006
NTIS Accession No.
NTIS Price
ISBN No.
0939084569
NIOSH Division
SRL
Source Name
Proceedings of the 25th International Conference on Ground Control in Mining, August 1-3, 2006, Morgantown, West Virginia
State
WA; WV
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