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特厚煤层掘进工作面冲击地压综合监测预警技术研究

杨光宇, 姜福兴, 曲效成, 李琳, 魏全德, 李乃录

杨光宇, 姜福兴, 曲效成, 李琳, 魏全德, 李乃录. 特厚煤层掘进工作面冲击地压综合监测预警技术研究[J]. 岩土工程学报, 2019, 41(10): 1949-1958. DOI: 10.11779/CJGE201910021
引用本文: 杨光宇, 姜福兴, 曲效成, 李琳, 魏全德, 李乃录. 特厚煤层掘进工作面冲击地压综合监测预警技术研究[J]. 岩土工程学报, 2019, 41(10): 1949-1958. DOI: 10.11779/CJGE201910021
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YANG Guang-yu, JIANG Fu-xing, QU Xiao-cheng, LI Lin, WEI Quan-de, LI Nai-lu. Comprehensive monitoring and early warning technology for rock burst of tunneling face with thick coal seams[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(10): 1949-1958. DOI: 10.11779/CJGE201910021
Citation: YANG Guang-yu, JIANG Fu-xing, QU Xiao-cheng, LI Lin, WEI Quan-de, LI Nai-lu. Comprehensive monitoring and early warning technology for rock burst of tunneling face with thick coal seams[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(10): 1949-1958. DOI: 10.11779/CJGE201910021
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特厚煤层掘进工作面冲击地压综合监测预警技术研究  English Version

  • 1. 天地科技股份有限公司开采设计事业部,北京 100013;
    2. 北京科技大学土木与资源工程学院,北京 100083;
    3. 北京安科兴业科技股份有限公司,北京 102299;
    4. 彬县水帘洞煤炭有限责任公司,陕西 彬县713500

基金项目: 国家重点研发计划项目（2017YFC0804204）; 国家自然科学基金项目（51574149）; 中央高校基本科研业务费项目（FRF-AT-18-013,FRF-AT-18-016）
详细信息
    作者简介:

    杨光宇(1990—),男,陕西宜君人,博士,主要从事冲击地压监测与治理方面的研究。E-mail:ustb_guangyu@163.com。

Comprehensive monitoring and early warning technology for rock burst of tunneling face with thick coal seams

  • 1. Coal Mining and Designing Department, Tiandi Science and Technology Co., Ltd., Beijing 100013, China;
    2. Civil & Resources Engineering School, University of Science and Technology Beijing, Beijing 100083, China;;
    3. Beijing Anke Xingye Science and Technology Co., Ltd., Beijing 102299, China;
    4. Binxian County Shuiliandong Coal Co., Ltd., Binxian 713500, China

摘要

    摘要
  • 摘要: 以近年来特厚煤层掘进工作面冲击地压事故为工程背景,通过事故现场勘查对其发生冲击地压的机理进行研究,提出了基于围岩动态结构演化的掘进工作面冲击地压事故分区：即迎头区、塑性圈动态演化区、塑性圈稳定区。通过研究各区域冲击地压发生机理和可监测特征,提出了采用“围岩震动、围岩应力动态、锚杆锚索支护力和煤体钻屑量”进行四位一体的监测预警特厚煤层掘进面冲击地压实时危险性的学术思想,并通过现场实践得出了工程上监测预警特厚煤层掘进工作面冲击危险性的方法和指标。将研究成果分别应用于陕西、河南等矿区特厚煤层工作面掘进期间的冲击地压监测预警,有效预警了掘进期间的冲击危险并及时采取了卸压解危措施,保证了工作面的安全开采。
    Abstract: Through site investigations on thick coal seam rock burst accidents in recent years and studies on their mechanisms, the division method for rock burst of tunneling face is proposed based on the dynamic structure evolution of surrounding rock, that is, head zone, dynamic evolution zone and stable zone. By studying the mechanism and monitoring characteristics of rock burst in those zones, an academic thought of four-in-one monitoring of “vibration of surrounding rock, stress dynamics of surrounding rock, supporting force of rock anchor bolts and amount of coal drillings” is put forward to give real time warning of rock burst risks in tunneling of extra-thick coal seams, and the revelant methods and indices are obtained. The research results are applied to the monitoring of rock burst in the extra-thick coal seams in the mines in Henan and Shaanxi provinces, and effective warnings are given during excavation, together with timely measures to release the pressure so as to ensure safe mining of working faces.
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  • 收稿日期:  2018-07-22
  • 发布日期:  2019-10-24

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