传感器放置位置对花岗岩岩爆声发射频谱特征的影响

doi:10.13722/j.cnki.jrme.2018.0639

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摘要

为了验证岩爆试验过程中声发射传感器安装位置对采集的声发射信号的影响，以期通过声发射信号的分析得到正确的岩爆信息，采集花岗岩试样，开展传感器直接安装在岩样上和安装在岩样夹持垫块上的真三轴卸载岩爆试验研究。基于应变岩爆试验加载路径，将应变岩爆试验过程分为3个典型阶段，从3个阶段中选取每例应变岩爆试验中声发射信号的6个典型关键区段进行分析。结果表明：岩样夹持垫块相当于一个高通滤波器，即传感器在夹持垫块上的声发射信号只有高频带信号，不能反映岩样的破坏阶段形成的低频振动信息；而传感器直接在岩样上的声发射信号同时具有高频与低频带的信息，能够全面反映岩样加载过程中微裂纹扩展、汇合直至宏观破坏的全频段信息；同时，垫块对声发射信号的辐值具有衰减作用，即降低了信噪比，有可能使得一些主辐值信息难以识别。

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	贾雪娜1
	姜全果2
	何满潮3
	宫伟力3

关键词 ：岩石力学, 声发射, 传感器, 信号采集, 滤波器, 信噪比

Abstract：

True-triaxial unloading rock burst experiments on granite samples were conducted with the acoustic emission(AE) transducers being placed directly on the rock sample and on the rock-sample holding plate respectively，in order to obtain the precise information for rock burst tests based on AE signal analysis. Six key waveforms of the AE data selected according to the three typical rock burst failure stage were selected from the AE data in each of the rock burst experiments for the comparative analyses. The results illustrate the fact that the holding plate is equivalent to a low-pass filter filtrate the low-band information of the AE signal which is the important information about the rock macroscopic failure；AE acquired in the transducer directly mounted on the rock sample have the whole band information indicating the microscopic fracturing till eventual macroscopic failure. Besides，the holding plate damps the magnitude of the AE signal，that is，the signal-to-noise ratio is reduced，which may make it difficult to identify some main amplitude information.

Key words： rock mechanics acoustic emission transducer data collection filter signal to noise ratio

引用本文:

贾雪娜1，姜全果2，何满潮3，宫伟力3. 传感器放置位置对花岗岩岩爆声发射频谱特征的影响[J]. 岩石力学与工程学报, 2018, 37(S2): 3968-3978.
JIA Xuena1，JIANG Quanguo2，HE Manchao3，GONG Weili3. The influence of position of sensor placement on the spectral characteristics of the acoustic emission during the process of rock burst. , 2018, 37(S2): 3968-3978.

链接本文:

https://rockmech.whrsm.ac.cn/CN/10.13722/j.cnki.jrme.2018.0639 或 https://rockmech.whrsm.ac.cn/CN/Y2018/V37/IS2/3968

[1]	何满潮，苗金丽，李德建，等. 深部花岗岩试样岩爆过程实验研究[J]. 岩石力学与工程学报，2007，26(5)：865-876.(HE Manchao，MIAO Jinli，LI Dejian，et al. Experimental study on rockburst processes of granitespecimen at great depth[J]. Chinese Journal of RockMechanics and Engineering，2007，26(5)：865-876.(in Chinese))
[2]	ORTLEPP W D. High ground displacement velocities associated withrockburst damage[C]//Rockbursts and Seismicity inMines. Rotterdam：Balkema，1993：101-106.
[3]	WANG J A，PARK H D. Comprehensive prediction of rockburst basedon analysis of strain energy in rocks[J].TunnellingUnderground SpaceTechnology，2001，16(1)：49-57.
[4]	DIEDERICHS M S，KAISER P K，EBERHARDT E. Damage initiation andpropagationin hard rock during tunneling and the influence of near-facestress rotation[J]. International Journal of Rock Mechanics andMining Sciences，2004，41(5)：785-812.
[5]	祖烨，郭文武. 岩石声发射信号AR模型谱分析[J]. 人民长江，2006，37(11)：115-116.(ZU Ye，GUO Wenwu. AR model spectrum analysis of rock acoustic emission signal[J].Journal of Yangze River，2006，37(11)：115-116.(in Chinese))
[6]	SUN XM，XU HC，ZHENG LG，et al. An experimental investigation on acoustic emission characteristicsof sandstone rockburst with different moisture contents[J].Science China Technological Sciences，2016，59(10)：1 549-1 558.
[7]	张艳博，李健，刘祥鑫，等. 侧压对巷道岩爆声发射及损伤特性影响试验研究[J]. 地下空间与工程学报，2016，12(5)：1 192- 1 197.(ZHANG Yanbo，LI Jian，LIU Xiangxin，et al. Experimentalresearchonacousticemissioncharacteristicsofburst-pronerocks[J]. Chinese Journal of Underground Space and Engineering，2016，12(5)：1 192-1 197.(in Chinese))
[8]	张艳博，于光远，田宝柱，等. 花岗岩巷道岩爆声发射信号主频特性试验研究[J]. 岩土力学，2017，38(5)：1 258-1 266.(ZHANG Yanbo，YU Guangyuan，TIAN Baozhu，et al. Experimentalstudy of acoustic emission signal dominant-frequencycharacteristics of rockburst ina granite tunnels[J].Rock and Soil Mechanics，2017，38(5)： 1 258-1 266.(in Chinese))
[9]	张艳博，杨震，姚旭龙，等. 花岗岩巷道岩爆声发射信号及破裂特征实验研究[J]. 煤炭学报，2018，43(1)：95-103.(ZHANG Yanbo，YANG Zhen，YAO Xulong，et al. Experimental study on rockburst acoustic emission signal and fracturecharacteristics in granite roadway[J].Journal of ChinaCoalSociety，2018，43(1)：95-103.(in Chinese))
[10]	贾雪娜，姜全果，何满潮，等. 莱州花岗岩应变岩爆实验声发射频谱特征分析[J]. 地下空间与工程学报，2018，14(1)：51-57.(JIA Xuena，JIANG Quanguo，HE Manchao，et al. Experimental Research on Acoustic Emission SpectralCharacteristics of Granite Strainbursts from Laizhou[J]. Chinese Journal of Underground Space and Engineering，2018，14(1)：51-57.(in Chinese))
[11]	赵菲，王洪建，袁广祥，等. 煤岩体岩爆模拟试验中声发射时频演化规律分析[J]. 华北水利水电大学学报：自然科学版，2017，38(5)：82-87.(ZHAO Fei，WANG Hongjian，YUAN Guangxiang，et al. Analysis of Time Frequency Evolution of Acoustic Emission during Coal Rockburst Simulation Test[J]. Journal of North China University of Water Resources and Electric Power：Natural Science，2017，38(5)：82-87.(in Chinese))
[12]	卓毓龙，陈辰，曹世荣，等. 声发射信号与尖点突变模型预测岩爆[J]. 辽宁工程技术大学学报：自然科学版，2017，36(10)：1065-1069.(ZHUO Yulong，CHEN Chen，CAO Shirong，et al. Prediction of rockburst based on acoustic emission signaland cusp Catastrophe model[J].Journal of Liaoning Technical University：NaturalScience，2017，36(10)：1065-1069.(in Chinese))
[13]	王恩元，何学秋，刘贞堂，等. 煤体破裂声发射的频谱特征研究[J]. 煤炭学报，2004，29(3)：289-292.(WANG Enyuan，HE Xueqiu，LIU Zhentang，et al. Study on frequency spectrum characteristics of acousticemission in coal or rock deformation and fracture[J].Journal of ChinaCoalSociety，2004，29(3)：289-292.(in Chinese))
[14]	潘长良，祝方才，曹平，等. 单轴压力下岩爆倾向岩石的声发射特征[J]. 中南工业大学学报，2001，32(4)：336-339.(PAN Changliang，ZHU Fangcai，CAO Ping，et al. Characteristics of acoustic emission ofburstingintended rocks under uniaxial compression[J].Journal of Central South University of Technology，2001，32(4)：336-339.(in Chinese))
[15]	李俊平，余志雄，周创兵，等. 水力耦合下岩石的声发射特征试验研究[J]. 岩石力学与工程学报，2006，25(3)：492-498.(LI Junping，YU Zhixiong，ZHOU Chuangbing，et al. Experimental study on acoustic emission characteristics of rock concerning hydro mechanicalcoupling[J].Chinese Journal of Rock Mechanics andEngineering，2006，25(3)：492-498.(in Chinese))
[16]	袁子清，唐礼忠. 岩爆倾向岩石的声发射特征试验研究[J]. 地下空间与工程学报，2008，4(1)：94-98.(YUAN Ziqing，TANG Lizhong. Experimentalresearchonacousticemissioncharacteristicsofburst-pronerocks[J]. Chinese Journal of Underground Space and Engineering，2008，4(1)：94-98.(in Chinese))
[17]	何建平. 岩体声发射信号波形变化特征分析[J]. 工矿自动化，2008，(6)：30-32.(HE Jianping. Analysis of waveform changing characteristics of rock acoustic emission signal[J]. Journal of Industry and Mine Automation，2008，(6)：30-32.(in Chinese))
[18]	LI DJ，JIA XN，FENG JL，et al.Acoustic emission and infrared characteristic of coal burst process[C]// RaSiM7：Controlling Seismic Hazard and Sustainable Development of Deep Mines. Beijing：[s.n.]，2009：1341-1346.
[19]	苗金丽，何满潮，李德建，等. 花岗岩应变岩爆声发射特征及微观断裂机制[J]. 岩石力学与工程学报，2009，28(7)：1593-1603.(MIAO Jinli，HE Manchao，LI Dejian，et al.Acoustic emission characteristics ofgranite under strain rock bursttest and its micro-fracture mechanism[J].Chinese Journal of Rock Mechanics andEngineering，2009，28(7)：1593-1603.(in Chinese))
[20]	李楠，王恩元，赵恩来，等. 岩石循环加载和分级加载损伤破坏声发射实验研究[J]. 煤炭学报，2010，35(7)：1099-1103.(LI Nan，WANG Enyuan，ZHAO Enlai，et al. Experiment on acoustic emission of rock damage and fractureunder cyclic loading and multi-stage loading[J].Journal of ChinaCoalSociety，2010，35(7)：1099-1103.(in Chinese))
[21]	刘祥鑫. 不同岩石声发射时频特性及其信号识别技术研究[硕士学位论文][D]. 赣州：江西理工大学，2011.(LIU Xiangxin. Study on acoustic emission frequency characteristics and signal recognition technologyof different rocks[M. S. Thesis][D]. Ganzhou：Jiangxi University of Science andTechnology，2011.(in Chinese))
[22]	LU C P，DOU L M，LIU H，et al.Case study on micro seismic effect of coal and gas outburst process[J].International Journal of Rock Mechanics and Mining Sciences，2012，53(53)：101-110.
[23]	李宏艳，康立军，徐子杰，等. 不同冲击倾向煤体失稳破坏声发射先兆信息分析[J]. 煤炭学报，2014，39(2)：384-388.(LI Hongyan，KANG Lijun，XU Zijie，et al. Precursor information analysis on acoustic emission of coal with different outburst proneness[J].Journal of ChinaCoalSociety，2014，39(2)：384-388.(in Chinese))
[24]	陶纪南，张克利，郑晋峰. 岩石破坏过程声发射特征参数的研究[J]. 岩石力学与工程学报，1996，15(增)：452-455.(TAO Jinan，ZHANG Keli，ZHENG Jinfeng，et al. study on acoustic emission parameters characteristic during rock failure process[J].Chinese Journal of Rock Mechanics andEngineering，1996，15(Supp.)：452-455.(in Chinese))
[25]	王德超. 岩石三轴压缩破裂失稳的声发射突变特征及预测研究[硕士学位论文][D]. 青岛：山东科技大学，2011.(WANGDechao.Study on acoustic emission mutation characteristics and prediction of rock unstable failure under triaxial compression[M. S.Thesis][D]. Qingdao：Shandong University of Science and Technology，2011.(in Chinese))
[26]	谭峰屹. 钙质砂声发射试验研究[博士学位论文][D]. 武汉：中国科学院武汉岩土力学研究所，2007.(TANFengyi.The AE Test Study of Calcareous Sand[Ph. D. Thesis][D]. Wuhan：Institute of Rock and Soil Mechanics，Chinese Academy of Sciences，2007.(in Chinese))
[27]	蒋海昆，张流，周永胜. 不同围压条件下花岗岩变形破坏过程中的声发射时序特征[J]. 地球物理学报，2000，43(6)：812-826.(JIANGHaikun，ZHANG Liu，ZHOU Yongsheng. Behavior of acoustic emission time sequence of granite in deformation and failure process under different confining pressures[J].Chinese Journal of Geophysics，2000，43(6)：812-826.(in Chinese))
[28]	HE MC，MIAO JL，FENG JL.Strain burst process of limestoneand its acoustic emission characteristics under true-triaxialunloading conditions[J]. International Journal of Rock Mechanics and Mining Sciences，2010，47(2)：286-298.
[29]	HE M C. Rock mechanics and hazard control in deep mining engineering in China[C]//Proceedings of the 4th Asian Rock Mechanics Symposium. Singapore：World Scientific Publishing Co.，Ltd.，2006：29-46.
[30]	HE M C，XIA H M，JIA X N，et al. Studies on classification，criteria and control of rockbursts[J]. Journal of Rock Mechanics and Geotechnical Engineering，2012，4(2)：97-114.