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Coal Science and Technology. 2012, (11) Core

Study on Outburst Elimination and Rapid Mine Roadway Construction Technology During Cross-cut Opened Structure Soft CoalChinese Full Text

GAO Kui1,2,LIU Ze-gong1,2,LIU Jian1,2,KANG Ya1,2,HUANG Kai-feng1,2(1.School of Energy and Safety,Anhui University of Science and Technology,Huainan 232001,China; 2.Province and MOE Joint Key Lab of Mine Safety and High Efficient Mining,Anhui University of Science and Technology,Huainan 232001,China)

Abstract: Analyzed the coal outburst mechanism occurred by the structure soft coal zone opened at the cross-cut,according to the outburst high danger and high strength problems occurred by the seam opened at the cross-cut,the pre-cracking blasting with deep boreholes in the structure soft coal zone for the outburst elimination and the rapid mine roadway construction technology were provided and the site test research was carried out in Luling Coal Mine.The results showed that with 24 hours after the deep ... More
Keywords：

seam opened at cross-cut; structure soft coal; coal and gas outburst; pre-cracking blasting; outburst elimination;

  • DOI：

    10.13199/j.cst.2012.11.72.gaok.014

  • Series：

    (B) Chemistry/ Metallurgy/ Environment/ Mine Industry

  • Subject：

    Mining Engineering; Security Science and Disaster Prevention

  • Classification Code：

    TD713

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