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现代矿业 ›› 2011, Vol. 27 ›› Issue (08): 32-34.

• 安全与环保 • 上一篇    下一篇

罗河铁矿井下岩爆预测分析

孙仕平1,张友锋2,何晓文1,江文武2   

  1. 1.马钢(集团)控股有限公司罗河矿业公司;2.江西理工大学应用科学学院
  • 出版日期:2011-08-15 发布日期:2011-08-17

Analysis on Underground Rock Burst Prediction of Luohe Iron Mine

Sun Shiping1,Zhang Youfeng2,He Xiaowen1,Jiang Wenwu2   

  1. 1. Luohe Mining Co.,Ltd, Masteel (Group) Holding Company Ltd,.;2. School of Applied Science, Jiangxi University of Science and Technology
  • Online:2011-08-15 Published:2011-08-17

摘要: 在地质资料、地应力分布规律、岩石力学参数指标等研究成果的基础上,采用多种岩爆判据分别对罗河铁矿的岩爆几率进行分析预测,掌握井下岩爆的倾向性。研究结果表明,凝灰岩、次生石英岩、蚀变粗安岩发生岩爆的几率较少,但碱性长石岩、膏辉岩和磁铁矿三类典型矿岩均存在中等偏上的岩爆倾向,且随着深度的延伸,其岩爆等级加大,为矿山的安全高效生产提供技术保障。

关键词: 罗河铁矿, 岩爆几率, 预测

Abstract: On the basis of research results like geological data, ground stress distribution law, rock mechanics parameter indexes and so on, analysis and forecast were done on rock burst probability of Luohe Iron Mine by adopted various kinds of rock burst criterion separately, controlled the tendency of underground rock burst. The result indicated, probability of rock burst of ash tuff, secondary quartzite, altered trachyandensite were little, but rock burst possibilities of three typical rocks of alkaline feldspathic rock , paste pyroxenite and magnetite were all above average, with the increase of depth, the level of rock burst was greater. The results provided technical support for safe and efficient production of mine.

Key words: Luohe iron ore, Criterion of rock burst, Prediction