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Gold Science and Technology ›› 2014, Vol. 22 ›› Issue (3): 60-64.doi: 10.11872/j.issn.1005-2518.2014.03.060

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Research and Application of Drifting and Supporting in Caving Goaf

LIU Runtian1，LIU Jixing 1，LIU Jiarui1，HUANG Linqi2   

  1. 1.Shandong Gold Mining （Linglong） Co.，Ltd.，Zhaoyuan   265400，Shandong，China；
    2.School of Resources and Safety Engineering，Central South University，Changsha   410083，Hunan，China
  • Received:2014-02-01 Revised:2014-04-17 Published:2014-11-04

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Abstract:

Linglong gold mine Dakaitou 255 haulageway undertake the important task of ore transportation， which has to pass through almost 20 m wide caving goaf with broken roof，deep collapse and working slope moving around.Linglong gold mine has used many conventional methods to drifting and support this haulageway but ended in a failure，then mine production was seriously reduced.Considering the mine goaf caving characteristics of loose rock and the actual situation of 255 haulageway，we introduce a creative method of combines roof plug board supporting with  two side U-shaped steel arch inserted rod supporting，the collapsed floor was filled with rubble stone，the caving rock was excavated and cleaned，working slope and roof were supported effectively.The method not only solves the drifting and supporting problem in fallen and loose rock，makes sure the mine’s production capacity，but also accelerates the speed of ore transportation, achieved good economic and social benefit.

Key words: loose medium, caving goaf, plunger support, working slope and roof expandable, Linglong gold mine

CLC Number: 

  • TD823

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