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  • CN 62-1112/TF 
  • ISSN 1005-2518 
  • 创刊于1988年
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基于双控张拉锚索束的溜井井壁垮塌修复方法

  • 秦秀山 ,
  • 曹辉 ,
  • 原野 ,
  • 郑志杰
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  • 1. 北京矿冶科技集团有限公司,北京 100160
    2. 国家金属矿绿色开采国际联合研究中心,北京 100160
    3. 金属矿山智能开采技术北京市重点实验室,北京 100160
秦秀山(1987-),男,山东临沂人,高级工程师,从事采矿方法与岩石力学等方面的研究工作。

收稿日期: 2018-03-26

  修回日期: 2018-08-23

  网络出版日期: 2019-01-24

基金资助

国家重点研发计划课题“金属矿深竖井井壁结构与围岩控制关键技术”(编号:2016YFC0600803)和国家国际科技合作专项“矿山高陡边坡综合监测与防控新技术合作研究”(编号:2015DFR70880)联合资助

Method for Repairing Collapse of Orepass Wall Based on Double-Controlled Tension Cable Bundles

  • Xiushan QIN ,
  • Hui CAO ,
  • Ye YUAN ,
  • Zhijie ZHENG
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  • 1. BGRIMM Technology Group,Beijing 100160,China
    2. National Center for International Joint Research on Green Metal Mining,Beijing 100160,China
    3. Beijing Key Laboratory of Nonferrous Intelligent Mining Technology,Beijing 100160,China

Received date: 2018-03-26

  Revised date: 2018-08-23

  Online published: 2019-01-24

摘要

溜井是矿山溜放矿石的重要工程,其结构简单且使用方便,但长期投入使用后矿石会不断冲击和磨损井壁,极易出现井壁垮塌现象。对于大多数矿山,溜井维护和修复存在一定的困难,因此需合理选择安全、高效且可靠的溜井加固技术方案。针对现有支护方法施工时占用溜井时间过长的弊端,提出了采用双控张拉锚索束从井壁外围向井筒内部进行整体加固的技术方案,并阐述了其作用原理。通过建立双控张拉锚索束力学模型,分析了满足安全系数条件下锚索荷载的设计方法。结合现场工程实践和监测数据分析,证明通过双控张拉锚索束能够使井壁出现垮塌的溜井在加固后处于较长时间的稳定状态,并能节省大量工程修复时间,减少对溜井的占用。基于双控张拉锚索束的溜井井壁垮塌修复方法为安全、高效解决溜井井壁大范围垮塌的修复问题提供了可行途径。

本文引用格式

秦秀山 , 曹辉 , 原野 , 郑志杰 . 基于双控张拉锚索束的溜井井壁垮塌修复方法[J]. 黄金科学技术, 2018 , 26(6) : 744 -749 . DOI: 10.11872/j.issn.1005-2518.2018.06.744

Abstract

The orepass is an important project to slide ore,its structure is simple and convenient to use,but after long-tern use,because the ore constantly impact and wear the orepass wall,it is easy to occur the phenomenon of orepass wall collapses.For most mines,there are some difficulties in the maintenance and repair of chute,so it is necessary to choose a safe,effective and reliable technical scheme for chute reinforcement.Aiming at of the disadvantage of existing support methods that occupying the chute with long construction time,a technical proposal for the integrated reinforcement using double-controlled tension cable bundles from the periphery of ore pass to the inside of it was proposed,and the principle of its action is also described.By establishing the mechanical model of double-controlled tension cable bundles,the design method of cable load that satisfied the safety factor was analyzed.Combined with field engineering practice and monitoring data analysis,it’s proved that the double-controlled tension cable bundles can make the collapsed wall stable for a long time after being reinforced,and can save plenty of repairing time by reducing the occupancy of the ore pass.The method for repairing collapse of ore pass wall based on double-controlled tension cable bundles provides a feasible way to solve the problem of repairing large-scale collapse of the ore pass wall in a safe and efficient way.

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