煤冲击破坏过程规律及同源声电响应特征

doi:10.13722/j.cnki.jrme.2019.0130

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摘要针对冲击地压监测预警问题，开展不同速率的煤样单轴加载实验和单轴加卸载实验，同步采集了全波形声电数据和煤破坏过程图像，结合频谱分析、相关性分析、声波波速层析成像分析、能量分析等，研究煤破裂过程的同源声电响应特征及煤冲击破坏的时序演变规律和空间孕育特征。结果表明：声发射和电磁辐射都与应力降有明显的正相关性，两者的时序分布具有同步性，两者的频谱分布具有一致性且主要集中在低频段，表明声电信号是煤破裂产生的同源异象现象；煤的冲击破坏过程包含多个子冲击阶段，各子冲击阶段与载荷降有明显的正相关性，在冲击破坏孕育阶段，煤样内裂纹、应力、能量、声发射等的分布具有对应关系，冲击破坏容易发生在临近自由面的破裂密集且应力集中高的区域。研究成果可为冲击地压监测预警研究提供依据。

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	李振雷1
	何学秋1
	窦林名2
	王桂峰2
	宋大钊1
	娄全3

关键词 ：岩石力学, 冲击地压, 监测预警, 破坏行为, 声发射, 电磁辐射

Abstract：Aiming at rockburst monitoring and early-warning，laboratory loading and unloading tests on coal specimens with various loading rates were conducted，and the data of full-wave acoustic emission(AE) and electromagnetic emission(EME)，and the images showing the dynamic failure process of coal were respectively collected using an AE-EME synchronous collecting system with a sampling rate of 5 MHz and a high-speed camera with a sampling rate of 1 kHz. Combined with spectrum analysis，correlation analysis，AE velocity tomography analysis，energy analysis，etc，the response law of AE and EME to coal failure as well as the temporal and spatial evolution of coal bursting failure process was studied. The results show that both AE and EME have strong positive correlations with instantaneous stress drop，EME is synchronous with AE in the time serial and the spectrum distributions of EME and AE signals with a dominant low-frequency band are consistent with each other，which indicates that both AE and EME originate from crack-generating within the coal. It is also shown that the whole dynamic failure process of coal consists of several stages of bursting damage with violent ejection of broken coal material and that each stage is positively correlated with an instantaneous load drop. In the developing process of coal failure，there are good correlations among crack extension，stress distribution，energy release and AE location within the coal. Bursting failure is likely to occur in the area close to the free surface characterized by high stress concentration，dense cracks. This research provides a reference for the study of rockburst monitoring and early warning.

Key words： rock mechanics rockburst monitoring and early-warning failure behavior acoustic emission(AE) electromagnetic emission(EME)

引用本文:

李振雷1，何学秋1，窦林名2，王桂峰2，宋大钊1，娄全3. 煤冲击破坏过程规律及同源声电响应特征[J]. 岩石力学与工程学报, 2019, 38(10): 2057-2068.
LI Zhenlei1，HE Xueqiu1，DOU Linming2，WANG Guifeng2，SONG Dazhao1，LOU Quan3. Bursting failure behavior of coal and response of acoustic and electromagnetic emissions. , 2019, 38(10): 2057-2068.

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http://www.rockmech.org/CN/10.13722/j.cnki.jrme.2019.0130 或 http://www.rockmech.org/CN/Y2019/V38/I10/2057

[32]	ZHU T，ZHOU J G，WANG H Q. Electromagnetic emissions during dilating fracture of a rock[J]. Journal of Asian Earth Sciences，2013，73：252-262.
[2]	HEBBLEWHITE B，GALVIN J. A review of the geomechanics aspects of a double fatality coal burst at Austar Colliery in NSW，Australia in April 2014[J]. International Journal of Mining Science and Technology，2017，27(1)：3-7.
[3]	徐颖，邰英楼，张永利，等. 钻屑法预测冲击危险指标的研究[J]. 煤矿开采，1998，(1)：35-36.(XU Ying，TAI Yinglou，ZHANG Yongli，et al. Drilling cutting parameters for rockburst forecasting[J]. Coal Mining Technology，1998，(1)：35-36.(in Chinese))
[5]	姜福兴，杨淑华，成云海，等. 煤矿冲击地压的微地震监测研究[J]. 地球物理学报，2006，49(5)：1 511-1 516.(JIANG Fuxing，YANG Shuhua，CHENG Yunhai，et al. A study on microseismic monitoring of rock burst in coal mine[J]. Chinese Journal of Geophysics，2006，49(5)：1 511-1 516.(in Chinese))
[7]	欧阳振华，孔令海，齐庆新，等. 自震式微震监测技术及其在浅埋煤层动载矿压预测中的应用[J]. 煤炭学报，2018，43(增1)：44-51.(OUYANG Zhenhua，KONG Linghai，QI Qingxin，et al. Self- shocking microseismic monitoring technology and its application in prediction of dynamic pressure in shallow coal seam[J]. Journal of China Society，2018，43(Supp.1)：44-51.(in Chinese))
[9]	贺虎，窦林名，巩思园，等. 冲击矿压的声发射监测技术研究[J]. 岩土力学，2011，32(4)：1 262-1 268.(HE Hu，DOU Linming，GONG Siyuan，et al. Study of acoustic emission monitoring technology for rockburst[J]. Rock and Soil Mechanics，2011，32(4)：1 262-1 268.(in Chinese))
[10]	潘一山，赵扬锋，李国臻. 冲击地压预测的电荷感应技术及其应用[J]. 岩石力学与工程学报，2012，31(增2)：3 988-3 993.(PAN Yishan，ZHAO Yangfeng，LI Guozhen. Charge-induced technique of rockburst prediction and its application[J]. Chinese Journal of Rock Mechanics and Engineering，2012，31(Supp.2)：3 988-3 993.(in Chinese))
[13]	刘少虹，潘俊锋，夏永学，等. 基于地音与电磁波CT的掘进工作面冲击危险性层次化评价方法研究[J]. 煤炭学报，2018，43(8)： 2 107-2 116.(LIU Shaohong，PAN Junfeng，XIA Yongxue，et al. Research on the risk hierarchical assessment of rock burst of heading face based on acoustic emission and electromagnetic wave CT system[J]. Journal of China Coal Society，2018，43(8)：2 107-2 116. (in Chinese))
[15]	姜福兴，曲效成，王颜亮，等. 基于云计算的煤矿冲击地压监控预警技术研究[J]. 煤炭科学技术，2018，46(1)：199-206，244.(JIANG Fuxing，QU Xiaocheng，WANG Yanliang，et al. Study on monitoring and control and early warning technology of mine pressure bump based on cloud computing[J]. Coal Science and Technology，2018，46(1)：199-206，244.(in Chinese))
[17]	袁亮，姜耀东，何学秋，等. 煤矿典型动力灾害风险精准判识及监控预警关键技术研究进展[J]. 煤炭学报，2018，43(2)：306-318. (YUAN Liang，JIANG Yaodong，HE Xueqiu，et al. Research progress of precise risk accurate identification and monitoring early warning on typical dynamic disasters in coal mine[J]. Journal of China Coal Society，2018，43(2)：306-318.(in Chinese))
[19]	徐为民，童芜生，吴培稚. 岩石破裂过程中电磁辐射的实验研究[J]. 地球物理学报，1985，28(2)：181-190.(XU Weimin，TONG Wusheng，WU Peizhi. Experimental study of electromagnetic emission during rock fracture[J]. Chinese Journal of Geophysics，1985，28(2)：181-190.(in Chinese))
[20]	王恩元，何学秋. 煤岩变形破裂电磁辐射的实验研究[J]. 地球物理学报，2000，43(1)：131-137.(WANG Enyuan，HE Xueqiu. An experimental study of the electromagnetic emission during the deformation and fracture of coal or rock[J]. Chinese Journal of Geophysics，2000，43(1)：131-137.(in Chinese))
[23]	陆菜平，窦林名，吴兴荣. 组合煤岩冲击倾向性演化及声电效应的试验研究[J]. 岩石力学与工程学报，2007，26(12)：2 549-2 555. (LU Caiping，DOU Linming，WU Xingrong. Experimental research on rules of rockburst tendency evolution and acoustic-electromagnetic effects of compound coal-rock samples[J]. Chinese Journal of Rock Mechanics and Engineering，2007，26(12)：2 549-2 555.(in Chinese))
[25]	王云海，何学秋，窦林名. 煤样变形破坏声电效应的演化规律及机理研究[J]. 地球物理学报，2007，50(5)：1 569-1 575.(WANG Yunhai，HE Xueqiu，DOU Linming. Study on regularity and mechanism of acoustic emission and electromagnetic emission during fracture process of coal samples[J]. Chinese Journal of Geophysics，2007，50(5)：1 569-1 575.(in Chinese))
[27]	杨慧明，张明明. 煤体力学性质对其破坏过程声发射特征的影响研究[J]. 矿业安全与环保，2018，45(4)：6-11.(YANG Huiming，ZHANG Mingming. Effect of mechanical property on acoustic emission activity of coal during failure process[J]. Mining Safety and Environmental Protection，2018，45(4)：6-11.(in Chinese))
[33]	TAKEUCHI A，HAGAHAMA H. Electric dipoles perpendicular to a stick-slip plane[J]. Physics of the Earth and Planetary Interiors，2006，155(3)：208-218.
[35]	RABINOVITCH A，FRID V，BAHAT D. Directionality of electromagnetic radiation from fractures[J]. International Journal of Fracture，2017，204(2)：239-244.
[37]	巩思园，窦林名，徐晓菊，等. 冲击倾向煤岩纵波波速与应力关系试验研究[J]. 采矿与安全工程学报，2012，29(1)：67-71.(GONG Siyuan，DOU Linming，XU Xiaoju，et al. Experimental study on the correlation between stress and P-wave velocity for burst tendency coal-rock samples[J]. Journal of Mining and Safety Engineering，2012，29(1)：67-71.(in Chinese))
[1]	姜耀东，潘一山，姜福兴，等. 我国煤炭开采中的冲击地压机理和防治[J]. 煤炭学报，2014，39(2)：205-213.(JIANG Yaodong，PAN Yishan，JIANG Fuxing，et al. State of the art review on mechanism and prevention of coal bumps in China[J]. Journal of China Coal Society，2014，39(2)：205-213.(in Chinese))
[8]	窦林名，何学秋，DRZEZLS B. 冲击矿压危险性评价的地音法[J]. 中国矿业大学学报，2000，29(1)：85-88.(DOU Linming，HE Xueqiu，DRZEZLS B. AE method of evaluating the danger of rock burst[J]. Journal of China University of Mining and Technology，2000，29(1)：85-88.(in Chinese))
[11]	WANG E Y，HE X Q，WEI J P，et al. Electromagnetic emission graded warning model and its applications against coal rock dynamic collapses[J]. International Journal of Rock Mechanics and Mining Sciences，2011，48(4)：556-564.
[18]	国家安全生产监督管理总局，国家煤矿安全监察局. 煤矿安全规程[M]. 北京：煤炭工业出版社，2016：1-394.(State Administration of Work Safety，State Administration of Coal Mine Safety. Safety regulations for coal mining，China[M]. Beijing：China Coal Industry Publishing House，2016：1-394.(in Chinese))
[21]	窦林名，田京城，陆菜平，等. 组合煤岩冲击破坏电磁辐射规律研究[J]. 岩石力学与工程学报，2005，24(19)：143-146.(DOU Linming，TIAN Jingcheng，LU Caiping，et al. Research on electromagnetic radiation rules of composed coal-rock burst failure[J]. Chinese Journal of Rock Mechanics and Engineering，2005，24(19)：143-146.(in Chinese))
[28]	吕鹏飞，陈学华，宋卫华. 单向扰动加载触发煤体冲击破坏特性试验研究[J]. 煤炭学报，2018，43(10)：2 741-2 749.(LV Pengfei，CHEN Xuehua，SONG Weihua. Experimental study on the shock failure feature of coal triggered by uniaxial dynamic loading[J]. Journal of China Coal Society，2018，43(10)：2 741-2 749.(in Chinese))
[31]	CARPINTERI A，LACIDOGNA G，BORLA O，et al. Electromagnetic and neutron emissions from brittle rocks failure：experimental evidence and geological implications[J]. Sadhana，2012，37(1)：59-78.
[38]	LIU G J，MU Z L，CHEN J J，et al. Rock burst risk in an island longwall coal face by stress field[J]. Geosciences Journal，2018，22(4)：609-622.
[41]	CAI W，DOU L M，GONG S Y，et al. Quantitative analysis of seismic velocity tomography in rock burst hazard assessment[J]. Natural Hazards，2015，75(3)：2 453-2 465.
[4]	曲效成，姜福兴，于正兴，等. 基于当量钻屑法的冲击地压监测预警技术研究及应用[J]. 岩石力学与工程学报，2011，30(11)：2 346- 2 351.(QU Xiaocheng，JIANG Fuxing，YU Zhengxing，et al. Rockburst monitoring and precaution technology based on equivalent drilling research and its applications[J]. Chinese Journal of Rock Mechanics and Engineering，2011，30(11)：2 346-2 351.(in Chinese))
[6]	潘一山，赵扬锋，官福海，等. 矿震监测定位系统的研究及应用[J]. 岩石力学与工程学报，2007，26(5)：1 002-1 011.(PAN Yishan，ZHAO Yangfeng，GUAN Fuhai，et al. Study on rockburst monitoring and orientation system and its application[J]. Chinese Journal of Rock Mechanics and Engineering，2007，26(5)：1 002-1 011.(in Chinese))
[14]	王恩元，刘晓斐，何学秋，等. 煤岩动力灾害声电协同监测技术及预警应用[J]. 中国矿业大学学报，2018，47(5)：942-948.(WANG Enyuan，LIU Xiaofei，HE Xueqiu，et al. Acoustic emission and electromagnetic radiation synchronized monitoring technology and early-warning application for coal and rock dynamic disaster[J]. Journal of China University of Mining and Technology，2018，47(5)：942-948.(in Chinese))
[16]	何学秋，窦林名，牟宗龙，等. 煤岩冲击动力灾害连续监测预警理论与技术[J]. 煤炭学报，2014，39(8)：1 485-1 491.(HE Xueqiu，DOU Linming，MU Zonglong，et al. Continuous monitoring and warning theory and technology of rock burst dynamic disaster of coal[J]. Journal of China Coal Society，2014，39(8)：1 485-1 491.(in Chinese))
[24]	撒占友，何学秋，王恩元，等. 煤岩变形破坏电磁辐射记忆效应实验研究[J]. 地球物理学报，2005，48(2)：379-385.(SA Zhanyou，HE Xueqiu，WANG Enyuan，et al. An experimental study of the electromagnetic emission memory effect during the deformation and fracture of coal or rock[J]. Chinese Journal of Geophysics，2005，48(2)：379-385.(in Chinese))
[26]	张雪娟. 岩石受载实验中电磁辐射信号特征分析及与声发射的相关性研究[硕士学位论文][D]. 北京：中国地震局地球物理研究所，2018.(ZHANG Xuejuan. Study on the characteristics of electromagnetic emissions and its correlation with acoustic emissions during rock- loading experiment[M. S. Thesis][D]. Beijing：Institute of Geophysics of China Earthquake Administration，2018.(in Chinese))
[34]	RABINOVITCH A，FRID V，BAHAT D. Surface oscillations—a possible source of fracture induced electromagnetic radiation[J]. Tectonophysics，2007，431(1-4)：15-21.
[36]	MITRA R，WESTMAN E. Investigation of the stress imaging in rock samples using numerical modeling and laboratory tomography[J]. International Journal of Geotechnical Engineering，2009，3(4)：517-525.
[12]	窦林名，姜耀东，曹安业，等. 煤矿冲击矿压动静载的“应力场-震动波场”监测预警技术[J]. 岩石力学与工程学报，2017，36(4)：803-811.(DOU Linming，JIANG Yaodong，CAO Anye，et al. Monitoring and pre-warning of rockburst hazard with technology of stress field and wave field in underground coalmines[J]. Chinese Journal of Rock Mechanics and Engineering，2017，36(4)：803-811. (in Chinese))
[22]	肖红飞，何学秋，王恩元. 受压煤岩破裂过程电磁辐射与能量转化规律研究[J]. 岩土力学，2006，27(7)：1 097-1 100.(XIAO Hongfei，HE Xueqiu，WANG Enyuan. Research on transition law between EME and energy during deformation and fracture of coal or rock under compression[J]. Rock and Soil Mechanics，2006，27(7)：1 097-1 100. (in Chinese))
[29]	赵扬锋，潘一山，刘玉春，等. 单轴压缩条件下煤样电荷感应试验研究[J]. 岩石力学与工程学报，2011，30(2)：306-312.(ZHAO Yangfeng，PAN Yishan，LIU Yuchun，et al. Experimental study of charge induction of coal samples under uniaxial compression[J]. Chinese Journal of Rock Mechanics and Engineering，2011，30(2)：306-312.(in Chinese))
[30]	赵扬锋，刘力强，潘一山，等. 岩石变形破裂微震、电荷感应、自电位和声发射实验研究[J]. 岩石力学与工程学报，2017，36(1)： 107-123.(ZHAO Yangfeng，LIU Liqiang，PAN Yishan，et al. Experiment study on microseismic，charge induction，self-potential and acoustic emission during fracture process of rocks[J]. Chinese Journal of Rock Mechanics and Engineering，2017，36(1)：107-123. (in Chinese))
[39]	CAI W，DOU L M，CAO A Y，et al. Application of seismic velocity tomography in underground coal mines： a case study of Yima mining area，Henan，China[J]. Journal of Applied Geophysics，2014，109：140-149.
[40]	窦林名，蔡武，巩思园，等. 冲击危险性动态预测的震动波CT技术研究[J]. 煤炭学报，2014，39(2)：238-244.(DOU Linming，CAI Wu，GONG Siyuan，et al. Dynamic risk assessment of rock burst based on the technology of seismic computed tomography detection[J]. Journal of Chia Coal Society，2014，39(2)：238-244.(in Chinese))