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|Four case studies of special geomining conditions from Indian coalfields are discuss- ed. These cases relate to (a) pillar extraction in two seams simultaneously under a difficult roof (Satpura I and II). (b) depillaring in an inclined seam resulting in rib instability (Sudamdih), (c) depillaring resulting in floor lift and side spalling (Jarangdih) and (d) contiguous pillar extraction under hard incavable strata. Solutions to these problems are given based on rock mechanics principles involving stress analysis, classification techniques, past experience and engineering judgement.|
Additional chapters/articles from the SME-ICGCM book Proceedings 7th International Conference on Ground Control in Mining (ICGCM) 7th
|Field Evaluation of Yield Pillar System at a Kentucky longwa||In-Situ Pillar Strength Determination for Two-Entry Longwall||Integrity Factor Approach to Assess the Stability of Room-an||Longwall Recovery Utilizing The Open Entry Method And Variou||Design Of Lower Seam Longwall Operations In Multiple Seam Mi||Method Of Selecting Suitable Types Of Powered Supports At Lo||An Overview Of The National Roof Evaluation Accident Prevent||Strata Control Advances At Jim Walter Resources, Mining Divi||Portal Stability In Rock||Bailey Mine Slurry Impoundment Longwall Subsidence Monitorin||Prediction Of Surface Subsidence And Strain In The Appalachi||Computerised Subsidence And Displacement Prediction Using In||Computer Modeling Of Yield Pillar Behavior Using Post-Failur||Practical Rock Mechanics For Safety And Productivity Improve||Geotechnical Mine Design Of The Foidel Creek Mine||A Hydrogeomechanical Study Of Overburden Aquifer Response To||Comparison Of Predictions And Measurements Of Subsidence Cau||RYBAD Empirical Field Model For Prediction Of Maximum Land S||Mining Under Strong Roof||Sub-Surface Ground Movements Associated With Longwall Mining||A Computer Simulation Of Breakage Of The Main Roof In Longwa||Evaluation Of Low-Coal ATRS Systems||Analysis Of Major Failure Through Integration Of Static And||Outbursts And Rockbursts In Coal Mines||Analysis Of The Initial Collapse Of The Overburden Over Long||The Influence Of Stream Valleys On Coal Mine Ground Control||Aerostatic Support System For Underground Coal Mines||A Simplified Two-Dimensional Analysis Of The Roof-Pillar-Flo||Comparative Studies In The Mechanics Of Grouted Roof Bolts||Seismic Studies Over Active Longwall Mines||Surface Ground Movements Over Longwall Mining In The Pittsbu||Effect Of Longwall Mining Subsidence On The Stability Of Sur||Study Of Quantitative Impacts To Ground Water Associated Wit||The Broken Rock Zone Around Tunnels And Its Support Theory||Subsidence In Indian Coalfields||Case Studies Of Depillaring Under Special Strata And Mining||The Control Of Surface Subsidence By Width/Depth Ratio And C||Design Of The Ventilation Shaft In The South Link Railway Tu|