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两淮煤田煤层底板灰岩水害区域超前探查治理技术

郑士田

郑士田. 两淮煤田煤层底板灰岩水害区域超前探查治理技术[J]. 煤田地质与勘探, 2018, 46(4): 142-146,153. doi: 10.3969/j.issn.1001-1986.2018.04.023
引用本文: 郑士田. 两淮煤田煤层底板灰岩水害区域超前探查治理技术[J]. 煤田地质与勘探, 2018, 46(4): 142-146,153. doi: 10.3969/j.issn.1001-1986.2018.04.023
ZHENG Shitian. Advanced exploration and control technology of limestone water hazard in coal seam floor in Huainan and Huaibei coalfields[J]. COAL GEOLOGY & EXPLORATION, 2018, 46(4): 142-146,153. doi: 10.3969/j.issn.1001-1986.2018.04.023
Citation: ZHENG Shitian. Advanced exploration and control technology of limestone water hazard in coal seam floor in Huainan and Huaibei coalfields[J]. COAL GEOLOGY & EXPLORATION, 2018, 46(4): 142-146,153. doi: 10.3969/j.issn.1001-1986.2018.04.023

两淮煤田煤层底板灰岩水害区域超前探查治理技术

doi: 10.3969/j.issn.1001-1986.2018.04.023
基金项目: 

国家重点研发计划项目(2017YFC0804100)

详细信息
    第一作者:

    郑士田,1962年生,男,河南周口人,高级工程师,从事矿井水害防治工作.E-mail:zhengshitian@cctegxian.com

  • 中图分类号: TD741

Advanced exploration and control technology of limestone water hazard in coal seam floor in Huainan and Huaibei coalfields

Funds: 

National Key R&D Program Funded Projects(2017YFC0804100)

  • 摘要: 煤层底板灰岩水害区域超前探查治理技术是近几年刚刚兴起的一种灰岩水害防治新技术,具有探查治理时间超前、探查治理空间范围大、水害隐患整体消除效果好等特点。分析了两淮煤田煤层底板灰岩水害基本特征,研究了煤层底板不同类型灰岩水害区域超前探查治理的技术方法和工程工艺。提出针对淮北煤田煤层底板存在高压复合强富水薄层灰岩含水层水害威胁的矿井,应采用定向水平井钻探和"高密度低压充填+低密度高压劈裂式注浆"探查治理技术;针对淮南煤田煤层底板发育厚层非完整隔水层的矿井,应采用定向水平井钻探和低密度连续高压劈裂注浆探查治理技术,通过典型矿井的工程示范,取得了良好的水害治理效果。

     

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出版历程
  • 收稿日期:  2018-01-05
  • 刊出日期:  2018-08-25

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