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

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

马志超^{1, 2, 3, 4,},
窦文武⁴,
李文^{1, 2, 3, 4},
廉玉广^{1, 2, 3, 4},
李汉超⁴,
李燕川⁴

1.
煤炭科学技术研究院有限公司，安全分院, 北京　100013
2.
煤炭资源高效开采与洁净利用国家重点实验室（煤炭科学研究总院），北京　100013
3.
北京市煤矿安全工程技术研究中心，北京　100013
4.
山西晋煤集团技术研究院有限责任公司，物探工程分公司，山西晋城　048006

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
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- 文章访问数: 142
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- PDF下载量: 43
- 被引次数: 0
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

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

Zhichao MA^{1, 2, 3, 4
,},
Wenwu DOU⁴,
Wen LI^{1, 2, 3, 4},
Yuguang LIAN^{1, 2, 3, 4},
Hanchao LI⁴,
Yanchuan LI⁴

1.
Mine Safety Technology Branch of China Coal Research Institute, Beijing　100013, P.R.China
2.
State Key Laboratory of Coal Mining and Clean Utilization （China Coal Research Institute）, Beijing　100013, P.R. China
3.
Beij ing Mine Safety Engineering Technology Research Center, Beijing　100013, P.R. China
4.
Institute of Technology, Shanxi Jincheng Anthracite Mining Group, Jincheng　048006, China

摘要

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。
- 富水区域 /
- 隐伏构造 /
- 瞬变电磁法 /
- 无线电波透视 /
- 槽波地震 /
- 感应因子 /
- 波场 /
- 预测预报
Abstract: The main factors restricting the mining speed of the working face in Yuenan Coal Mine are the water-rich area of limestone above the coal seam and the internal geological concealed structure. The transparent detection of the working face is carried out by using transient electromagnetic method, radio wave perspective and slot wave seismic geophysical methods. In the process of detection, it is found that the induced voltage received by the secondary wave field of transient electromagnetic method is more sensitive to the area of rich water and low resistance, and the lateral situation of coal seam can be identified by observing the energy attenuation emitted and received by radio wave perspective. The integrated analysis of envelope amplitude, spectrum and dispersion curve of in-seam wave seismic imaging has good effect on identifying fault strike. Through the identification of the comprehensive response characteristics of the abnormal region by the induction factor in the multi-wave field, the plane map is superimposed according to the abnormal area delineated by the multi-source wave field, and a variety of abnormal characteristics are shown synthetically, which can effectively identify the correlation between the water-rich area of the roof of the working face and the internal structural area of the coal seam, and clearly judge the existence of the water channel. The test results show that the geophysical method can find out the internal abnormal area of the mining face and predict in advance, and the combined detection of various geophysical methods can provide a reference basis for similar geological conditions in the future.
- water-rich area /
- concealed structure /
- transient electromagnetic method /
- radio wave perspective /
- in seam seismic /
- induction factor /
- wave field /
- prediction

HTML全文

图 1 工作面周边示意图

Figure 1. Schematic Diagram of Working Face

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图 2 瞬变电磁法探测示意图

Figure 2. Schematic Diagram of Tem Detection

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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

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图 4 瞬变三维联合反演立体图

Figure 4. Transient 3D Joint inversion Stereogram

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图 5 无线电波射线分布图

Figure 5. Radio-Ray Map

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图 6 实测场强图

Figure 6. Measured Field Intensity Diagram

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图 7 无线电波衰减系数分布图

Figure 7. Radio Wave Attenuation Coefficient Distribution Diagram

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图 8 全排列数据接收示意图

Figure 8. Full Array Data Receiving Diagram

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图 9 单炮全排列记录

Figure 9. Single Gun Full Array Record

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图 10 频散曲线与频谱分析图

Figure 10. Dispersion Curve and Spectrum Analysis Diagram

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图 11 槽波透射能量衰减分布图

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

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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

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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

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图 14 综合异常叠加示意图

Figure 14. Comprehensive Anomaly Superposition Diagram

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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	弱	一般
	500～650 m	富水区域	强	重大
	650～800 m	富水区域	弱	一般
无线电波	0～80 m	煤层变化	弱	较大
无线电波	350～650 m	地质构造	强	重大
槽波地震	300 m	地质构造	弱	较大
	420～650 m	地质构造	强	重大
	700 m	地质构造	弱	较大

下载: 导出CSV

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