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现代矿业 ›› 2012, Vol. 28 ›› Issue (01): 11-14.

• 采选工程 • 上一篇    下一篇

兰尖铁矿1#、3#运输平硐失稳机理分析与治理

刁虎1,2   

  1. 1.中钢集团马鞍山矿山研究院有限公司;2.金属矿山安全与健康国家重点实验室
  • 出版日期:2012-01-11 发布日期:2012-01-11

Analysis of Instability Mechanism Ore Hauling Tunnel in Lanjian Iron Mine 1#、3# and Engineering Control

Diao Hu1,2   

  1. 1.Sinosteel Maanshan Institute of Mining Research Co.,Ltd;2.State Key Laboratory of Safety and Health for Metal Mine
  • Online:2012-01-11 Published:2012-01-11

摘要: 对攀钢兰尖铁矿运输平硐局部地段出现失稳现象,运用有限元数值对其进行了模拟,考虑采矿水平不断下降、露天采场爆破震动对其产生的影响,并对采用预应力锚索和钢拱联合支护效果进行了分析,对类似情况的隧洞分析提供一定的借鉴作用。  

关键词: 运输平硐, 爆破震动, 锚索, 钢拱架, 有限元

Abstract: To the instability phenomenon appeared at haulage tunnel local section of a mine, simulation was done by using finite element numerical, effects from continuously decreased mining level, open pit blasting vibration were considered, combining prestressed anchor cable and steel arch support effect were analyzed, provided a certain reference for similar tunnel analysis.

Key words: Haulage tunnel, Blasting vibration, Anchor cable, Steel arch frame, Finite element