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|This paper presents the results of a survey of room and pillar dimensions and design practice in U.S. coal mines aimed at improving the design procedures in room and pillar mining. A review is given of the current pillar strength formulas and suggestions are made for better utilization of research results in engineering practice.|
Additional chapters/articles from the SME-ICGCM book Proceedings Of The 1st Annual Conference On Ground Control In Mining
|Stress And Stability In Coal Ribsides And Pillars||Improved Design Of Coal Pillars For U.S. Mining Conditions||Review Of Pillar Design Equations Including The Effects Of C||Abutment Pillar "Notching" Improves Abutment Tunnel Roof Con||The Influence Of Certain Geologic And Geotechnical Factors O||Considerations Of Gas Outbursts In Using Dome Salt Mines For||An Overview Of Bureau Of Mines Ground Control Research||Stability Behaviour Of Coal Mining Tunnels With Different Su||Strata Disturbance Prediction For Mining Beneath Surface Wat||Monitoring For The Evaluation Of The Stability Of Undergroun||Controlled Thrust And Torque Placement Of Mechanical Anchor||Roklok Polyurethane Binder: A Chemical Injection System For||Resupporting High Roof Falls||A New Combination Friction-Suspension Support System Scott||Inorganic Cement Grouted Bolt System||Development Of A Resin Point Anchor||An Engineering Analysis Of "Squeeze" Failure Of Pillars In T||Ground Control In Multiple Seam Mining||Applications Of Reflection Seismics To Mapping Coal Seam Str||The Use Of Geologic Modeling In The Prediction Of Adverse Ro||Design Of Shield Supports For The U.S. Coal Mining Industry||Longwall Mining Of Thin Seams||Support Selection For The Multi-Lift Mining Method||Design And Operation Of Powered And Entry Supports||Evaluation Of Existing Predictive Methods For Mine Subsidenc||A Study Of Longwall Subsidence In The Appalachian Coal Regio||Subsidence Studies In Thick And Steep Coal Seam Mining|