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|An understanding of the mechanisms that cause large seismic events in a deep mine provides a foundation for designing effective measures to reduce the incidence of these events, as well as reduce the potential for damage arising from these events. The work described in this paper focuses analytical efforts on major recognizable and controllable factors that influence mining-induced seismicity and serves to screen out many of the more random aspects of individual events. Information used in this study was developed in the course of a long-standing rock burst research program conducted by the U. S. Bureau of Mines in cooperation with mines in the Coeur d'Alene Mining District and regional universities. Information was collected on 39 seismic events having local magnitudes greater than 2.5 that occurred between 1989 and 1994. Five major types of events were developed from these data that describe all but two of the 39 large events. The characteristic mechanisms, tint-motion pattern, damage pattern, and relationships to mining and major geologic structures were defined for each type of event. This information provides a foundation for assessing whether or not changes in mining activity aimed at reducing one type of rock burst will increase the incidence of other types.|
Additional chapters/articles from the SME-ICGCM book Proceedings 15th International Conference On Ground Control In Mining
|Practical Aspects Of Mobile Roof Support Usage||Chemical Consolidation For Roadway Surrounding Rock - It&apo||Fortrac® Geogrids For Mine Roof Control||Ground Pressure Control With Use Of Freezing Rocks On The Or||Effect Of Specimen Size On Compressive Strength Of Coal||The Uniaxial Compressive Strength Of Coal: Should It Be Used||Three-Seam Interaction: A Case Study||Computer Modeling Of Rock Mass Geomechanic State In Longwall||The Influence Of Massive Sandstones In The Main Roof On Long||New Laminated Displacement-Discontinuity Program: Fundamenta||Load Determination For Long Cable Bolt Support Using Compute||Subsidence Misconceptions And Myths||Interaction Subsidence In The Sydney Coalfield, Nova Scotia||Identification Of Factors Affecting Horizontal Displacement||Subsidence Control Over Abandoned Mines||Monitoring Subsidence Over Submarine Coal Mines In The Sydne||High Horizontal Stress Effects On Longwall Gate Entry Stabil||Analysis Of Entry Roof Failure And Falls At Springvale Colli||The Effect Of Gas Pressure On Coal Strength||Applications Of Probabilistic Analysis In Mine Ground Contro||Regularities Of Rock Pressure Manifestations In Longwalls In||Design Of Multi-Level Thick Seam Extractions Under Major Aqu||State-Of-The-Art Room-And-Pillar Retreat Mining In The Kitta||Highwall Control At Homestake's Open Cut Mine||Design And Hazard Assessment Of Mine Ore Passes||Geomechanical Support Of Adaptive Mining Technology||Direct Laboratory Tensile Testing Of Select Yielding Rock Bo||Managing A New Technology - An Update Of The UK Rockbolting||Innovative Secondary Support Technologies For Western Mines||Innovation In Control Of Geomechanical State Of Undermined R||Application Of Tomographic Imaging To Stability Assessment||Using Ground Penetrating Radar For Roof Hazard Detection In||Classification Of Large Seismic Events At The Lucky Friday M||Rating Coal Mine Roof Strength From Exploratory Drill Core||Rapid Assessment Of Gateroad Roof Stability By Simple Monito||Geomechanic Monitoring And Distributed Information Systems||Monitoring Roof Beam Lateral Displacement At The Waste Isola||Laboratory Pull Tests Of Resin-Grouted Cable Bolts||Optimizing Secondary Tailgate Support Selection||Performance Evaluation Of A Cable Bolted Yield-Abutment Gate||High Horizontal Movements In Longwall Gate Roads Controlled||Shear Behavior Of Cable Bolt Supports In Horizontal, Bedded||An Evaluation Of Strata Behavior And Tailgate Support Perfor||Two Case Studies Of The Performance Of Rib Supports||Harworth Colliery: Rockbolted Support In Weak Roof At Depth||Problems And Prospects Of Roof Bolting Development At Cuzbas||Design Methods To Control Violent Pillar Failures In Room-An||Design Of Longwall Extractions Under Flooded Abandoned Worki||Effect Of Water On Stability Of Mine Roadways||Weightings And Water Inflows During Longwall Working||Underground Movement Of Rock Mass And Stress Distribution Du||Applications Of New Technologies To The Technical Design And||In-Seam Seismic Tomography Mapping Application To Coal Minin||Application Of Seismic Tomography In Underground Mining||Seismic Tomography For Longwall Stress Analysis||Geostatistical Methods For Hazard Assessment And Site Charac||Estimation Of Long-Term Stability Of Mine Pillars In Undergr||Geotechnical Factors Influencing A Time-Dependent Deformatio||Application Of Computer Programs For Rock Pressure Control||Analysis Of Multiple-Seam Interaction In A Bump-Prone Wester||Optimised Layout And Roadway Support Planning With Integrate||Automated Monitoring Of Rock Slopes And Waste Dumps||The Investigation Of The Rock Mass Stressed-Deformed State U|