Analysis on Supporting Performance of the High-Water Material Filling Body in the Gob-Side Entry Retaining of Thin Coal Seam

Zhong Ping Guo; Dao Zhi Chen; Feng Guo; Yan Wang

doi:10.4028/www.scientific.net/AMR.616-618.316

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Safe and Effective Production of Coal Mine Promoted by Coalbed Methane Reclamation
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 616-618Analysis on Supporting Performance of the...

Analysis on Supporting Performance of the High-Water Material Filling Body in the Gob-Side Entry Retaining of Thin Coal Seam

Abstract:

According to the occurrence condition of one mine’s primary face coal seam and using the methods of theoretical calculation and numerical analysis, this paper determined the reasonable parameters of the high-water material filling body and made an industrial test in the field haulage entry. The results showed that the parameters of the filling body were reasonable and the filling body can maintain the roof of the entry effectively and obtain good supporting results.