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J4 ›› 2010, Vol. 18 ›› Issue (5): 72-75.

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Study and Application of Medium-length Hole Mining in Xincheng Gold Mine

XU Dong，HU Zhongqiang   

  1. Xincheng Gold Mine,Shandong Gold Mining Co.,Ltd.,Laizhou 261438,Shangdong,China
  • Received:2010-03-24 Revised:2010-09-15 Online:2010-10-28 Published:2012-05-23

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Abstract:

The ore body type of the ⅴ# ore body in Xincheng gold mine is the typical thick broken ore body.Based on the actual situation of the mine,decide to mine the ore body with the pre-roof-controlled upward mediumlength hole sublevel mining with backfill.By the pre-roof-controlling, to ensure the roof and upper wall safety, moreover with the upward medium-length hole mining,mining the ore body safety and efficacy came true.

Key words: Medium-length hole mining, Pre-roof-control, Sublevel mining with backfill, Tailing filling

CLC Number: 

  • P618.51

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