Grey-Risk Estimation of the Water Inrush from No.9 Coal Floor in Guoerzhuang Mine

Lin Xiao; Shu Heng Tang; Cun Liang Zhao; Tong Xing Yuan; Wen Yang

doi:10.4028/www.scientific.net/AMM.295-298.3019

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Study on Technologies and Countermeasures of Comprehensive Utilization of Coal Resources
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The Comparative Analysis of Probability Integration and Numerical Simulation in Surface Subsidence Prediction
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Grey-Risk Estimation of the Water Inrush from No.9 Coal Floor in Guoerzhuang Mine
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 295-298Grey-Risk Estimation of the Water Inrush from No.9...

Grey-Risk Estimation of the Water Inrush from No.9 Coal Floor in Guoerzhuang Mine

Abstract:

This paper discussed the probability and variability risk of water inrush from No.9 coal seam floor during mining under high pressure. The grey-risk model is used to calculate and evaluate the risk base on the statistical data about water levels of existing bursting points, maximum water yield and specific capacity discharge. It is concluded that the risk is very great to mine the lower group coal seam under the high pressure in Guoerzhuang mine.The author proposes that the measures, including mining by areas and mining-detecting, should be taken in advance to reduce emergency.

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Periodical:

Applied Mechanics and Materials (Volumes 295-298)

Pages:

3019-3022

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.295-298.3019

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Online since:

February 2013

Authors:

Lin Xiao, Shu Heng Tang, Cun Liang Zhao, Tong Xing Yuan, Wen Yang

Keywords:

Grey-Risk Estimation, Guoerzhuang Mine, Mining under the High Pressure, No.9 Coal, Water Bursting

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