Analysis on Ground Subsidence in Underground Mining

Xin Xi Liu; Xue Zhi Wang

doi:10.4028/www.scientific.net/AMR.383-390.2201

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 383-390Analysis on Ground Subsidence in Underground...

Analysis on Ground Subsidence in Underground Mining

Abstract:

Analysis on the characters of ground subsidence of Yangjiaping mining area, with same excavation depth and recovery coefficient, the numerical simulations to nonlinear large deformation using finite-difference method(FLAC) are achieved on the different strip extraction schemes that adopted different mining and reservation width. The result indicates that the subsidence values and horizontal deformation increases with the increasing of the strip extraction width on condition of the same recovery rate. Based on probability density function (PDF) method, the relationship of the coal pillar width, the mining width and ground deformation is acquired, which is some useful reference for using the strip extraction method to control the surface movement and deformation.

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Manufacturing Science and Technology, ICMST2011

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Periodical:

Advanced Materials Research (Volumes 383-390)

Pages:

2201-2205

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.383-390.2201

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Online since:

November 2011

Authors:

Xin Xi Liu, Xue Zhi Wang

Keywords:

Mining Subsidence, Numerical Simulation, Probability Density Function Method, Strip Extraction

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References

[1] Evaluation report on geological hazard investigation in the coal area, China Geology University (Wuhan), 2003. 6.

Google Scholar

[2] Xie Hyping, Zhou Hongwei, Wang Jinan, et al. Application of FLAG to predict ground surface displacements due to coal extraction and its comparative analysis . Chinese Journal of Rock Mechanics and Engineering, 1999, 18(4): 397-401.

Google Scholar

[3] Lang Kun, XU Jialin, ZHU Weibing, et al. Numerical study on the influence of recovery width on surface subsidence in strip mining. Mine Surveying, 2005, 12(4): 51- 54.

Google Scholar

[4] JGUO Zeng Zhang, Xie Heping, Wang Jinzhuang, The relationship of the coal pillar width and the mining width with the surface deformation caused by strip extraction. journal of Xiangtan mining institute, 2003, 18(2): 13-17.

Google Scholar

[5] Zhao Yangfeng, Zhang Huaxing, Pan Yishan. Numerical study on theinflunec of recovery ration on surfane subsidence in strip mining . Coal Mining Technology, 2003, 8(3): 1-3.

Google Scholar