Volume 67, Issue 2, February 2019

Articles

• A successful case study on the reuse of gob side entry retaining by non-coal pillar mining in Gaohe mine

  Meng Zhang, Yidong Zhang, Ming Ji, Zhaohong Chen, Shuai Zhu (Author)

  41-50

  Keywords:

  Fully-mechanized caving face; gob-side entry retaining; plastic zone; stress distribution; control of surrounding rock.

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• Application of BP Neural Network in the Prediction of Periodic Weighting

  Hongjun Guo, Ming Ji, Meng Zhang, Kun Zhang, Huiqin Wang, Aoxiang Liang (Author)

  51-58

  Keywords:

  BP neural network; periodic weighting; pressure prediction; roof control

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• Estimation of Tunnel Stability and Optimization of Support Parameters for Tunnel below Gob Pillar in Closely-Spaced Coal Seams

  M. L. Zhang, Y. D. Zhang, M. Ji, H. J. Guo (Author)

  59-68

  Keywords:

  Gob pillar; CRBBS; tunnel instability coefficient; optimization of support parameters; tunnel position

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• Numerical Simulation Study on Surrounding Rock Stability in Large Section Coal Roadway by Different Lateral Pressure Coefficient

  Haizhu Li, Yidong Zhang, Hongjun Guo, Meng Zhang, Zhaohong Chen, Ming Ji (Author)

  69-75

  Keywords:

  Numerical simulation, lateral pressure coefficient; stress field; plastic zone

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• Prediction on Surrounding Rock Deformation of Roadway based on a Neural Network Model

  Hongjun Guo, Ming Ji, Yidong Zhang, Huiqin Wang, Kun Zhang, Aoxiang Liang (Author)

  76-81

  Keywords:

  Wavelet neural network; time series; surrounding rock deformation of roadway; prediction on surrounding rock deformation.

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• Research and Application on Support Technology of Coal Seam Roadway with High Stress

  Hongjun Guo, Ming Ji, Haizhu Li, Kun Zhang, Huiqin Wang, Aoxiang Liang (Author)

  82-89

  Keywords:

  In-situ stress; coal seam roadway; stress of surrounding rock; displacement of surrounding rock; asymmetric plastic zone; support design

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• Research on Reasonable Mining Scheme for Coal Recovery in Thick Coal Seam Under Buildings and Other Structures

  Minglei Zhanga, Yidong Zhangb, Ming Ji, Peng Jiao (Author)

  90-98

  Keywords:

  Coal recovery; thick coal seam; mining scheme; numerical simulation; physical simulation

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• Study on Reasonable Width of Coal Pillar in Thick Coal Seam Section

  Zhang Kun, Ming Ji , Guo Hongjun, He Wenrui (Author)

  99-104

  Keywords:

  Thick coal seam; coal pillar width; coal pillar stress; reasonable width

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• A Study of the Failure Characteristics of Partings in Thick Coal Seams During Fully Mechanized Caving in the Wobei Coal Mine

  Zhe Wang (Author)

  105-110

  Keywords:

  Fully mechanized caving; parting; top coal; failure

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