。84 北京科技大学学报 2007年增刊2 参考文献 2004.20(1):46 【刂宋波，李悦单宏兰，等.爆破作用对地下金属矿山围岩稳定性 【可罗一忠，毛建华.金属矿山采场目顶定位预报.金属矿山， 2001,301(7):8 的影响.岩石力学与工程学报.，2007（增）：346 【2】邹银辉，文光才.岩体声发射传播衰减理论分析与试验研究。 【刀蔡美峰，来兴平。复合坚硬岩石巷道塌陷段监控的研究与应 用.岩石力学与工程学报，2003,22(3)：391 煤炭学报，2004,296：663 【习李俊平.声发射技术在岩土工程中的应用.岩石力学与工程 【习陶纪南，张克利，郑晋峰。岩石破坏过程声发射特征参数的研 学报，1995.14(4：371 究.岩石力学与工程学报.1996.15(10)：452 【4陈忠辉，傅宇方，唐春安.岩石破裂声发射过程的围压效应 【[9陈景涛，冯夏庭.高地应力下岩石的真三轴试验研究.岩土力 岩石力学与工程学报，1997,16(1)：65 学与工程学报。2006.25(8)：1537 【习张拥军。岩体声发射技术在矿山中的应用.湖南有色金属， Test and simulation study on time series characteristic of rock acoustic emission in metallic mines SONG Bo,LI Yue",DONG Xin2,WANG Peifu2) 1)Department of Civil and Environment Engineering.University of Science and Technology Beijing,Beijing 100083,China 2)Shandong Zhaojin Company,Zhaoyuan 265400.China ABSTRACT According to the specific geology conditions,the acoustic emission test was carried out on the rock to determine the time series characteristic of adjoining rock in mine.The critical acoustic emission parameters of rock breakage were analyzed and the breakage principle and characteristic of the acoustic emission signals were studied.Comparing tests were individually carried out on homogeneous specimens and specimens with cracks. Under the influence of crack,the regularity of acoustic emission signal of the specimens w as generalized.Final ly,the process of damage,failure and AE of rocks were simulated by Particle Flow Code which is based on the theory of Distinct Element Method according to variable strength and homogeneity.The inner impair of rock was simulated through reducing the rigidity of contact surfaces and the breakage of rock was studied by different simulation conditions.The conclusions will open a new way to study the acoustic emission regulation of impaired rock KEY WORDS rock stability monitoring;acoustic emission;time sequence;rock damage;particle flow code参 考 文 献 [ 1] 宋波, 李悦, 单宏兰, 等.爆破作用对地下金属矿山围岩稳定性 的影响.岩石力学与工程学报, 2007( 增) :346 [ 2] 邹银辉, 文光才.岩体声发射传播衰减理论分析与试验研究. 煤炭学报, 2004, 29( 6) :663 [ 3] 李俊平.声发射技术在岩土工程中的应用.岩石力学与工程 学报, 1995, 14( 4) :371 [ 4] 陈忠辉, 傅宇方, 唐春安.岩石破裂声发射过程的围压效应. 岩石力学与工程学报, 1997, 16( 1) :65 [ 5] 张拥军.岩体声发射技术在矿山中的应用.湖南有色金属, 2004, 20( 1) :46 [ 6] 罗一忠, 毛建华.金属矿山采场冒顶定位预报.金属矿山, 2001, 301( 7) :8 [ 7] 蔡美峰, 来兴平.复合坚硬岩石巷道塌陷段监控的研究与应 用.岩石力学与工程学报, 2003, 22( 3) :391 [ 8] 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.岩石力学与工程学报, 1996, 15( 10) :452 [ 9] 陈景涛, 冯夏庭.高地应力下岩石的真三轴试验研究.岩土力 学与工程学报, 2006, 25( 8) :1537 Test and simulation study on time series characteristic of rock acoustic emission in metallic mines SONG Bo 1) , LI Y ue 1) , DONG Xin 2) , WANG Peifu 2) 1) Department of Ci vil and Environment Engineering, University of Sci ence and Technology Beijing, Beijing 100083, China 2) Shandong Zhaojin Company, Zhaoyuan 265400, China ABSTRACT According to the specific geology conditions, the acoustic emission test w as carried out on the rock to determine the time series characteristic of adjoining rock in mine .The critical acoustic emission parameters of rock breakage w ere analyzed and the breakage principle and characteristic of the acoustic emission signals w ere studied .Comparing tests w ere individually carried out on homogeneous specimens and specimens w ith cracks. Under the influence of crack, the regularity of acoustic emission sig nal of the specimens w as generalized .Final￾ly, the process of damage, failure and AE of rocks were simulated by Particle Flow Code w hich is based on the theory of Distinct Element Method according to variable strength and homogeneity .The inner impair of rock w as simulated through reducing the rigidity of contact surfaces and the breakage of rock w as studied by different simulation conditions .The conclusions w ill open a new w ay to study the acoustic emission reg ulation of impaired rock . KEY WORDS rock stability monitoring ;acoustic emission ;time sequence ;rock damage ;particle flow code · 84 · 北 京 科 技 大 学 学 报 2007 年 增刊 2