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|Serious floor heave of up to 2.4 m in a 2.4-m high mine entry was eliminated by applying the stress control method of mining, as a last resort, at the No. 5 coal mine of Jim Walter Resources, Inc., in the Black Warrior coal basin near Birmingham. Alabama. Underground observation of the first 3-room entry created using the stress control method is discussed here. The behavior of the test entry, which eliminated the heave problem, is analyzed in relation to similar studies conducted in a salt mine under similar ground conditions by utilizing finite element analysis.|
Additional chapters/articles from the SME-ICGCM book Rock Mechanics in Productivity and Protection ? Proceedings Twenty five Symposium on Rock Mechanics
|Mining-Induced Stress Measurement With Hydraulic Borerole Pr||Instrumentation and Monitoring For Pillar Extraction in a De||Reinforcement of Large Pillars by Bolting||Pressure Measurements in the Gob||Determination Of Solution Cavern Spacing In Deep Salt Deposi||Leached Salt Cavern Design Using a Fracture Criterion for Ro||Numerical Modeling Of "Stiff" Backfill in the Coeur D'A||Stress Control Method Applied to Stabilization of Undergroun||Optimun Mining Plan for Multiple Seam Mining||An Investigation of the Causes of Cutter Roof Failure in a C||Methods of Designing Mechanical Roof Bolting in Horizontally||Rock Bursts In Human Collieries||Constraint - The Missing Variable in the Coal Burst Problem||Prediction of Inter-Strata Movements Above Longwall Faces||Controlled Load Development At Longwall Coalfaces||Technique To Measure Resultant Load Vector On Shield Support||An Improved Technique of In-Situ Measurement Of Fracture Zo||Comprehensive Observation And Research On The Mechanism Of W||Displacement Discontinuity Method For Three-Dimensional Stre||Recent Developments In Subsidence Prediction And Control For||A Method For Assessing The Potential Of Mine Subsidence At A||Ground Movements Associated With Pillar Extraction Coal Mini||Application Of Time Domain Reflectometry To Mining||Proposed Criteria For Subsidence Damage To Buildings||Stability of Slopes in Discontinuously Jointed Rock||A Case History of the Effect of Mine Subsidence on a Concret||Microcomputer Simulation of Rock Blasting to Predict Fragmen||Probabilistic Analysis of Blasting Impact on Open Pit Stabil|