Study on Prevention and Control Technique of Ground Pressure in Fully Mechanized Mining Remained Coal Pillars

Hong Chun Xia; Zhen Qi Song; Wei Li

doi:10.4028/www.scientific.net/AMM.71-78.3362

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 71-78Study on Prevention and Control Technique of...

Study on Prevention and Control Technique of Ground Pressure in Fully Mechanized Mining Remained Coal Pillars

Abstract:

Based on the strong danger and great difficulty characteristics of coal pillars mining under strong ground pressure in Datong coal district, the observations on the No.311 coal face in Tongjialiang coal mine were carried out by the method of drilling bits. The key zone of ground pressure prone was determined and the effective unloading measures by blasting were also taken to mining coal pillars by fully mechanized mining technique.

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Periodical:

Applied Mechanics and Materials (Volumes 71-78)

Pages:

3362-3365

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.71-78.3362

Citation:

Cite this paper

Online since:

July 2011

Authors:

Hong Chun Xia, Zhen Qi Song, Wei Li

Keywords:

Remained Coal Pillars, Strong Ground Pressure, Two Strong Conditions of Datong, Unloading Pressure by Blasting

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References

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