HomeMine Subsidence Engineering Material Download
Mine Subsidence Engineering Material Download
Mine Subsidence Engineering Material Download

Mine Subsidence Engineering Material Download

 
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Mine Subsidence Engineering Material Download

UNIT-I Introduction: Strata movement at the mining horizon, convergence in mine working, factors influencing convergence in mine working.

UNIT-II Subsidence Mechanism: Zones of movement in the overlaying beds, vertical and horizontal movement, subsidence trough, angle of draw, angle of break, sub-surface subsidence.

UNIT-III Subsidence Prediction: Different methods of surface subsidence prediction – graphical, analytical, profile function, empirical and theoretical models.

UNIT-IV Time Influence and Impact on Structures: Influence of time on subsidence, example from long wall and bord and pillar working. Calculation of ground movement over time. Types of stress on structures, stress-strain behaviour of soils, mining damage to buildings, industrial installations, railway lines, pipes, canals, etc.,

UNIT-V Subsidence Control, Governing Laws and Standards: Measures to reduce mining damage, mining methods to minimize damage. Laws governing mining damage, different standards suggested for mining and building ground in respect of subsidence. Case studies of Mine subsidence

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