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Ground Support and Rock Mechanics

Understanding rock mass behavior is critical for safe underground mining. Rock Mass Classification Q-System Joint parameters, water, stress conditions. RMR Rock Mass Rating Strength, RQD, spacing, conditions, orientation. Support Requirements Support Elements - Rock bolts friction, resin, cable - Mesh weld mesh, chain link - Shotcrete plain, fiber-reinforced - Steel sets Support Design - Based on rock mass quality - Considers excavation span - Accounts for stress conditions Geological Observations - Joint spacing and conditions - Clay alteration zones - Fault proximity - Water inflow

Verification resources

Cross-check terminology, classification, methods, and safety with these authoritative external resources.

  • Underground hard-rock mining — Canadian Centre for Occupational Health and Safety. Canadian occupational-health guidance about underground mining hazards and controls.
  • Mineral Exploration Best Practice Guidelines — Canadian Institute of Mining, Metallurgy and Petroleum. Professional guidance for geological records, sampling, interpretation, security, and QA/QC.
  • Ground control in underground mines — Government of Ontario. Current Ontario guidance for engineered ground-control programs, changing conditions, rockburst and fall-of-ground hazards, monitoring, and worker protection.

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