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现代矿业 ›› 2013, Vol. 29 ›› Issue (01): 45-48.

• 安全与环保 • 上一篇    下一篇

保安矿柱回采诱发地表变形规律数值模拟分析

高志国1,徐铁军2,杜建华3,曹华兵1,陈宏涛1,石劲1   

  1. 1.武汉钢铁集团矿业有限责任公司程潮铁矿;2.中色地科矿产勘查股份有限公司;3.北京科技大学土木与环境工程学院
  • 出版日期:2013-01-15 发布日期:2013-01-24
  • 基金资助:

    * 中央高校基本科研业务费专项资金资助项目(编号:FRF-SD-12-003A)。

Numerical Simulation of Surface Deformation Law Induced by Safety Pillar Stoping

Gao Zhiguo1,Xu Tiejun2,Du Jianhua3,Cao Huabing1,Chen Hongtao1,Shi Jin1   

  1. 1.Chengchao Iron Mine, Wuhan Iron& Steel Group Minerals Co.,Ltd;2.Sinotech Minerals Exploration Co.,Ltd.;3.School of Civil and Environmental Engineering, University of Science and Technology Beijing
  • Online:2013-01-15 Published:2013-01-24

摘要: 掌握保安矿柱回采过程中的地表变形规律,对保护地表的建筑物和构筑物有重要意义。以程潮铁矿为背景,采用FLAC3D数值模拟分析方法,从地表水平变形、地表沉降、选厂位置地表变形、应力分析和塑性区分析等5个方面对西区保安矿柱回采过程的地表变形进行了分析,得出了地表变形规律,并提出回采建议。

关键词: 矿柱回采, 数值模拟, 地表变形, 规律分析

Abstract: Master surface deformation law of safety pillar in stoping process has an important meaning for protection of surface buildings and structure.Taken the Chengchao Iron Mine as an engineering background, surface deformation of western safety pillar in stoping process was analyzed by FLAC3D and from five aspects as surface horizontal deformation, ground settlement, plant location surface deformation, stress analysis and plastic zone analysis, surface deformation law was obtained and stoping suggestions were proposed.

Key words: Pillar stoping, Numerical simulation, Surface deformation, Law analysis