低透煤层巷道中心体突出预测与多参量关联性

郑寓超; 刘国磊; 崔嵛; 王泽东; 曲效成

doi:10.20174/j.JUSE.2025.03.38

地下空间与工程学报 >

2025 , Vol. 21 >Issue 3: 1085 - 1093

DOI: https://doi.org/10.20174/j.JUSE.2025.03.38

防灾与环境

低透煤层巷道中心体突出预测与多参量关联性

郑寓超 ,
刘国磊 ,
崔嵛 ,
王泽东 ,
曲效成

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1.山东理工大学资源与环境工程学院,山东淄博 255000;
2.北京安科兴业科技股份有限公司,北京 100083

郑寓超(1997—),男,山东青岛人,硕士生,主要从事矿山安全研究与防治工作。E-mail:zyc17853321235@163.com

崔嵛(1981—),男,山东潍坊人,博士,副教授,主要从事矿山安全和火灾动力学研究工作。E-mail:yucui@sdut.edu.cn

收稿日期: 2024-11-13

网络出版日期: 2025-06-13

基金资助

国家自然科学基金(51904178);山东省自然科学基金博士基金(ZR2018BEE009);中国博士后科学基金(2018M632677)

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Prediction and Multi-Parameters Correlation of Roadway Center Body Outburst in Low-Permeability Coal Seam

Zheng Yuchao ,
Liu Guolei ,
Cui Yu ,
Wang Zedong ,
Qu Xiaocheng

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1. School of Resource and Environmental Engineering, Shandong University of Technology, Zibo, Shandong 255000, P.R. China;
2. Beijing Anke Xingye Technology Co., Ltd., Beijing 100083, P.R. China

Received date: 2024-11-13

Online published: 2025-06-13

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摘要

低透气性煤层具有煤体破碎、煤层内部瓦斯含量高、压力大、逸出困难等特点,导致突出危险监测预警体系不完善,预警指标单一等问题。本文基于综合作用假说和动静载叠加原理等理论,提出掘进工作面突出中心体致灾理论假设,并据此构建了中心体突出预测模型,研究了多参量监测预警技术。以阳泉矿区某矿8#煤层北翼北三采区正、副巷掘进为工程背景,采用现场试验、理论分析的方法进行了掘进工作面中心体突出危险预测与多参量监测响应关系研究,结果表明:北三大巷构造区突出中心体孕育和发展显著,掘进期间微震能量响应与K₁值变化趋势相近,验证了利用微震预测中心体突出危险的可行性;微震事件、锚杆应力、掘进速度和K₁值对中心体突出风险呈正相关性。研究成果对揭示低透气性煤层煤与瓦斯突出致灾机理、提高灾害监测和防治的有效性具有指导意义。

关键词： 低透气性煤层; 煤与瓦斯突出; 微震监测; 突出中心体; 掘进工作面

本文引用格式

郑寓超 , 刘国磊 , 崔嵛 , 王泽东 , 曲效成 . 低透煤层巷道中心体突出预测与多参量关联性[J]. 地下空间与工程学报, 2025 , 21(3) : 1085 -1093 . DOI: 10.20174/j.JUSE.2025.03.38

Abstract

Low permeability coal seam is characterized by broken coal body, high gas content inside the coal seam, high pressure, and difficult to escape, leading to problems such as imperfect monitoring and warning system of protruding danger and single warning index. This paper puts forward the theoretical assumption of the disaster caused by the protruding center body in digging face based on the theory of comprehensive role hypothesis and the principle of superposition of dynamic and static loads, and accordingly constructs a prediction model of the protruding center body, and researches the multi-parameter monitoring and early-warning technology. Taking the main and secondary roadway excavation in the north third mining area of the north wing of the 8# coal seam in a mine in Yangquan mining area as the engineering background, a study on the relationship between the prediction of protruding danger of the center body of the excavation face and the response of multi-parameter monitoring was carried out by using the methods of on-site test and theoretical analysis, and the results show that: The breeding and development of the outburst center body in the structural area of the North Three Lane are significant. The changing trend of microseismic energy response and K₁ value during excavation is similar, which verifies the feasibility of using microseismic to predict the outburst danger of the center body. The microseismic event, bolt stress, excavation speed and K₁ value are positively correlated with the outburst risk of the center body. The research results are of great significance in revealing the disaster mechanism of coal and gas outburst in low permeability coal seam and to improve the effectiveness of disaster monitoring and prevention.

Key words： low permeability coal seam; coal and gas outburst; microseismic monitoring; outburst central body; tunneling working face

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