ICGCM Papers:
Subsidence and Slope Stability
 
 
Mechanism and Prediction of Ground Surface Subsidence Due to Multiple-seam Longwall Mining
35th International Conference on Ground Control in Mining
Mechanism and Prediction of Ground Surface Subsidence Due to Multiple-seam Longwall Mining
by
Behrooz GhabraieGang Ren, RMIT University, Melbourne, Australia
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[Conference] 35th International Conference on Ground Control in Mining
[Price] Free  [Comments] 0
[Topical Area] Subsidence and Slope Stability
[Author] Behrooz GhabraieGang Ren, RMIT University, Melbourne, Australia
[Abstract] 
Key Conclusions:
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---Please refer to the uploaded Abstract. Key conclusions will be thoroughly explained in the main body of the paper--- Mechanism of multiple-seam subsidence is different from single seam subsidence; Differences in multiple-seam subsidence parameters compared with single seam subsidence such as angle of draw, subsidence magnitude and profile of the subsidence are discussed; Generalised Influence Function Method shows more flexibility to be adapted for prediction of multiple-seam subsidence in comparison with Influence Function Method; With few modifications, the predictive methods would be able to predict the multiple-seam subsidence to a higher accuracy.
Key Findings:
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---Please refer to the uploaded Abstract--- Mechanism of subsidence; Ability and adaptability of Generalised Influence Function Method in comparison with Influence Function Method; Possible improvements to be applied to achieve more reliable predictive methods.
Objective of the Paper:
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---Please refer to the uploaded Abstract--- Understand the mechanism of the multiple-seam subsidence; Demonstrate the ability of Influence Function Method and Generalised Influence Function Method; Recommend some possible improvements based on the understanding of the mechanism of the multiple-seam subsidence.
Problem Statement:
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---Please refer to the uploaded Abstract--- The mechanism of the ground subsidence due to multiple-seam mining is rather unknown; Commonly used prediction methods are unable to predict a reliable prediction of the subsidence for multiple-seam subsidence.