COAL ENGINEERING ›› 2015, Vol. 47 ›› Issue (3): 55-57.doi: 10.11799/ce201503019

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Comprehensive Construction Technology on Tunneling Roadway Through the Fractured Surrounding Rock in Extremely Soft Outburst Coal Seam

  

  • Received:2014-01-24 Revised:2014-03-24 Online:2015-03-10 Published:2015-03-25

Abstract: This paper analyzes the complex construction environment of the first mining face roadway in Jinhuang mine and points out the six main factors affecting the roadway drivage.Based on the evaluation of safety risk of each factor, we put forward a series of effective construction method and technology.and continue to improve optimization in practice, Summarize a set of Comprehensive Construction Technology on tunneling the first mining face roadway through the fractured surrounding rock in Coal and Gas outburst coal,which ensures the safety in tunneling the B102 roadway.

Key words: extremely soft outburst coal Seam, fractured surrounding rock, tunneling

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