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现代矿业 ›› 2012, Vol. 28 ›› Issue (12): 15-16.

• 采选工程 • 上一篇    下一篇

基于岩体质量分级的区域矿体稳定性分析

王瑞星,赵春玺,王平   

  1. 山东黄金矿业(莱州)有限公司三山岛金矿
  • 出版日期:2012-12-15 发布日期:2012-12-31

Stability Analysis of Regional Ore Body based on Rock Mass Quality Classification

Wang Ruixing,Zhao Chunxi,Wang Ping   

  1. Sanshandao Gold Mine, Shandong Gold Mining(Laizhou)Co., Ltd
  • Online:2012-12-15 Published:2012-12-31

摘要: 通过对三山岛金矿直属矿区的矿岩进行大量岩石力学试验与节理调查,对开采区域进行岩体质量分级。确定Ⅱ级、Ⅲ级、Ⅳ级岩体分别采用点柱法、盘区房柱法、进路法开采,然后采用有限元数值软件对开采区域进行稳定性分析,得出开采后的围岩变化特征,为矿区的安全高效开采提供理论依据。  

关键词: 岩体质量分级, 区域矿体, 稳定性分析

Abstract: Through a large number of rock mechanics tests and joint surveys on ore rock in mining area of Sanshandao Gold Mine, rock mass quality classification was done on mining area. Dotted pillar method, panel mining room-and-pillar method, lane type working method was adopted in Ⅱgrade, Ⅲgrade、Ⅳgrade rock mass mining separately, then stability analysis was done on mining area by finite element numerical software. Surrounding rock variation characteristics after mining were obtained, while it provides theoretical basis for safety and high efficiency mining of mining area.

Key words: Rock mass quality classification, Regional ore body, Stability analysis