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DOI:
有色金属(矿山部分):2020,72(4):120-122
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超深孔一次爆破扩井在深井施工中的应用探索
王辉,徐泽林,李永明
(安徽省琅琊山矿业总公司)
Exploration on the application of once ultra-deep hole blasting technology for extension well in deep well construction
WANG Hui, XU Zelin, LI Yongming
(1.Anhui langya mountain mining corporation,Chuzhou Anhui 239000;2.China)
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投稿时间:2020-02-14    修订日期:2020-02-26
中文摘要: 大断面深井施工由于其施工工艺复杂、施工安全风险高,一直被视为矿山企业高危作业工程之一。为了探究大断面深井施工成井技术,通过介绍一种大断面深井施工工艺,以施工导井为自由面,通过合理的爆破方案一次性将40m垂深的导井爆破扩井成型,极大地简化了工艺,降低安全风险,并在实践中取得了良好的效果。
中文关键词: 导井  超深孔  爆破成井  单耗  装药结构
Abstract:Construction of large section deep well has been regarded as one of the high-risk operation projects in mining enterprises because of its complicated construction technology and high construction safety risk.In order to explore the well completion technology of large section deep shaft excavation, this paper introduces a construction technology of large section deep well, taking the construction direction guidance shaft as free surface, and blasting the 40m vertical guide shaft at one-step by a reasonable blasting scheme, which greatly simplifies the process, reduces the safety risk, and achieves good results in practice.
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基金项目:分段中深孔爆破嗣后充填采矿方法研究与应用
引用文本:
王辉,徐泽林,李永明.超深孔一次爆破扩井在深井施工中的应用探索[J].有色金属(矿山部分),2020,72(4):120-122.
WANG Hui,XU Zelin,LI Yongming.Exploration on the application of once ultra-deep hole blasting technology for extension well in deep well construction[J].NONFERROUS METALS(Mining Section),2020,72(4):120-122.

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