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煤矿回采工作面内部不良地质体多波联合探测

马志超 窦文武 李文 廉玉广 李汉超 李燕川

马志超,窦文武,李文,等. 煤矿回采工作面内部不良地质体多波联合探测[J]. 中国地质灾害与防治学报,2023,34(3): 1-10 doi: 10.16031/j.cnki.issn.1003-8035.202204019
引用本文: 马志超,窦文武,李文,等. 煤矿回采工作面内部不良地质体多波联合探测[J]. 中国地质灾害与防治学报,2023,34(3): 1-10 doi: 10.16031/j.cnki.issn.1003-8035.202204019
MA Zhichao,DOU Wenwu,LI Wen,et al. Multi-wave joint detection of unfavorable geological bodies in Coal Mining Face[J]. The Chinese Journal of Geological Hazard and Control,2023,34(3): 1-10 doi: 10.16031/j.cnki.issn.1003-8035.202204019
Citation: MA Zhichao,DOU Wenwu,LI Wen,et al. Multi-wave joint detection of unfavorable geological bodies in Coal Mining Face[J]. The Chinese Journal of Geological Hazard and Control,2023,34(3): 1-10 doi: 10.16031/j.cnki.issn.1003-8035.202204019

煤矿回采工作面内部不良地质体多波联合探测

doi: 10.16031/j.cnki.issn.1003-8035.202204019
基金项目: 中国煤炭科工集团有限公司科技创新创业资金专项项目(2019-ZD004) 煤科院科技发展基金项目(2021CX-Ⅰ-06)
详细信息
    作者简介:

    马志超(1990-),男,汉族,山东平阴人,工程师,本科,现从事地质灾害勘查与治理、矿井物探工作。E-mail:253921041@qq.com

  • 中图分类号: TD15,166

Multi-wave joint detection of unfavorable geological bodies in Coal Mining Face

  • 摘要: 制约岳南煤矿工作面回采速度的因素主要为煤层上方灰岩富水区域和内部地质隐伏构造。通过采用瞬变电磁法、无线电波透视、槽波地震多种物探方法对回采工作面进行透明化探测。探测过程中发现:瞬变电磁法二次波场接受到的感应电压对富水低阻区域较为敏感;观测无线电波透视发射、接收的能量衰减可识别煤层变化区域横向情况;槽波地震的包络振幅、频谱分析与频散曲线综合分析成像后,对于判别断层走向有良好效果。通过多波场中感应因子对异常区域综合响应特征的识别,依据多源波场圈定的异常区域进行平面图叠加,将多种异常特征综合显现,可有效识别工作面顶板富水区域与煤层内部构造区域的关联情况,清晰判断导水通道存在情况。试验结果表明,物探方法可探明回采工作面内部异常区域并提前预测预报,多种物探方法联合探测对今后类似地质条件提供了借鉴依据。
  • 图  1  工作面周边示意图

    Figure  1.  Schematic Diagram of Working Face

    图  2  瞬变电磁法探测示意图

    Figure  2.  Schematic Diagram of Tem Detection

    图  3  顺槽巷顶板30°多测道剖面电压曲线图

    Figure  3.  Voltage curve of Multi-channel Section at 30° in the Roof of the Roadway

    图  4  瞬变三维联合反演立体图

    Figure  4.  Transient 3D Joint inversion Stereogram

    图  5  无线电波射线分布图

    Figure  5.  Radio-Ray Map

    图  6  实测场强图

    Figure  6.  Measured Field Intensity Diagram

    图  7  无线电波衰减系数分布图

    Figure  7.  Radio Wave Attenuation Coefficient Distribution Diagram

    图  8  全排列数据接收示意图

    Figure  8.  Full Array Data Receiving Diagram

    图  9  单炮全排列记录

    Figure  9.  Single Gun Full Array Record

    图  10  频散曲线与频谱分析图

    Figure  10.  Dispersion Curve and Spectrum Analysis Diagram

    图  11  槽波透射能量衰减分布图

    Figure  11.  Attenuation Distribution of in-seam Wave Transmitted Energy

    图  12  瞬变电磁、无线电波叠加示意图

    Figure  12.  Schematic Diagram of Superposition of Transient Electromagnetic and Radio Waves

    图  13  槽波与无线电波叠加示意图

    Figure  13.  Superposition Diagram of In-seam Wave and Radio Wave

    图  14  综合异常叠加示意图

    Figure  14.  Comprehensive Anomaly Superposition Diagram

    表  1  物探异常推断分析表

    Table  1.   Table of Geophysical Anomaly Inference Analysis

    物探方法异常区域异常推断导水程度回采影响
    瞬变电磁0~100 m富水区域一般
    500~650 m富水区域重大
    650~800 m富水区域一般
    无线电波0~80 m煤层变化较大
    350~650 m地质构造重大
    槽波地震300 m地质构造较大
    420~650 m地质构造重大
    700 m地质构造较大
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-04-18
  • 录用日期:  2022-08-17
  • 修回日期:  2022-07-30
  • 网络出版日期:  2023-03-06

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