Strata Behavior Laws of Gob-side Entry Retaining During the Secondary Mining Influence Period

SHEN Jia-xiao; YANG Shuang-suo; SONG Chao-bu; ZHAO Yin-hu

Safety in Coal Mines > 2013 > 44(8): 204-206.

SHEN Jia-xiao, YANG Shuang-suo, SONG Chao-bu, ZHAO Yin-hu. Strata Behavior Laws of Gob-side Entry Retaining During the Secondary Mining Influence Period[J]. Safety in Coal Mines, 2013, 44(8): 204-206.

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Strata Behavior Laws of Gob-side Entry Retaining During the Secondary Mining Influence Period

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Published Date: August 19, 2013

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Abstract

Abstract

Taking the belt roadway in 18207 working face in Tunlan Coal Mine as research object, this paper analyzes the roadway surface displacement of gob-side entry retaining as well as load bearing and deformation laws of filling body beside roadway during secondary mining influence period. The results of the study show that the roof, floor, two walls and filling body of gob-side entry retaining are stable during the secondary mining influence period.
- gob-side entry retaining,
- surrounding rock deformation,
- strata behaviors,
- the secondary mining

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