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|As part of a U.S. Bureau of Mines-sponsored project on the utilization of "stiff' backflll to minimize potential rock burst hazards, a finite element study was undertaken to predict stresses and displacements around a stope mined up from the 5400 level of the Sunshine mine, Kellogg, Idaho. This stope was to be backfilled using a high-modulus fill. In preparation for that configuration, certain instrumentation was installed near the 5400 level to monitor stress changes. Due to untenable economics, only 2 cuts of the stope were ever made. This paper presents the results of the instrument readings taken during the first cut and compares them with the numerical predictions, as well as presents the modeling results of closure and fill stresses in the stope if it had been mined.|
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|