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Results 31 - 40 of 214
8/1/2000 - Conference papersTo determine causes of slope failure and highwall/spoilbank failure, this study reviews accident statistics, surface mining laws, the relevant literature, and observations from mine visits. The study emphasizes surface mines in WV, OH, and PA.
1/1/2000 - Conference papersThis paper outlines the evolution of the RMSS and how it can be used in a comprehensive, proactive ground control safety program. A case history describes the RMSS being used to evaluate a mechanical impact sealing machine at a limestone mine.
4/1/1999 - Peer reviewed journal articlesThe Coal Mine Roof Rating (CMRR) has been widely accepted as a tool for geologic characterization and mine planning. The application of the CMRR to extended cuts (cuts greater that 6 m (20 ft) in length) is discussed.
8/1/1998 - Conference papersA design technique is presented which provides stone miners with a method for making stability assessments. The consequences of widening rooms, changing geology and horizontal stresses, and different rock bolts on roof beam failure are discussed.
1/1/1998 - Peer reviewed journal articlesHorizontal stresses are caused by global plate-tectonic forces. This paper presents six case histories of mines that encountered roof falls or difficult ground conditions at the headgate caused by horizontal-stress concentrations.
3/1/1997 - Information CircularsThis proceedings volume contains papers presented at technology transfer seminars sponsored by the National Institute for Occupational Safety and Health (NIOSH) on New Technology for Ground Control in Retreat Mining.
4/23/2020 - Contracts and cooperative agreementsA contract with the Colorado School of Mines to research digital technologies to improve mine safety and health.
4/13/2020 - Research projectsA project to reduce injuries and fatalities caused by rockburst-related ground failures in underground mines by developing an integrated, systematic approach for monitoring mining-induced seismic events.
Ground Control Research for Improving Safety Performance in Underground Stone and Other Large Opening Mines: Design, Monitoring and Risk Management4/3/2020 - Contracts and cooperative agreementsA contract with Virginia Tech University on ground control research for improving safety performance in underground stone and other large opening mines: design, monitoring and risk management.
4/2/2020 - Contracts and cooperative agreementsA contract with West Virginia University to build capacity and improve mine safety through experimental rock mechanics.