Experimental study on acoustic emission characteristics during deformation and failure processes of coal samples under different stress paths

Yanshilixue Yu Gongcheng Xuebao/Chinese Journal of Rock Mechanics and Engineering

Volumn 28, Issue 4, 2009, Pages 757-766

  Su, Chengdong ^a   Gao, Baobin ^a,b   Nan, Hua ^a   Li, Xiaojun ^a  

^a HENAN POLYTECHNIC UNIVERSITY   (China)

^b BEIJING JIAOTONG UNIVERSITY   (China)

Author keywords

Acoustic emission counts; Acoustic emission energy; Acoustic emission(AE); Coal specimens; Rock mechanics; Stress paths

Indexed keywords

ACOUSTIC EMISSION CHARACTERISTICS; ACOUSTIC EMISSION ENERGY; COAL SAMPLES; CONFINING PRESSURE REDUCTIONS; CONFINING PRESSURES; EXPERIMENTAL STUDIES; FAILURE PROCESS; MAXIMUM VALUES; MINING GROUPS; POSITIVE STRESS; POST-YIELDING; STRESS PATHS; TEST RESULTS; TEST SYSTEMS; TRIAXIAL COMPRESSIONS; UNI-AXIAL COMPRESSIONS;

ACOUSTIC EMISSION TESTING; ACOUSTICS; COAL; COAL INDUSTRY; CYLINDERS (SHAPES); DEFORMATION; EXPERIMENTS; MINING; ROCK MECHANICS; ROCK PRESSURE; STRESSES;

ACOUSTIC EMISSIONS;

EID: 65449174358     PISSN: 10006915     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (18)

1. ZHANG Huihui, YAN Yuding, YU Huaizhong, et al. Acoustic emission experimental research on large-scale rock failure under cycling load-fracture precursor of rock[J]. Chinese Journal of Rock Mechanics and Engineering, 2004, 23(21): 3621-3628.(in Chinese)
2. YU Xianbin, XIE Qiang, LI Xinyi, et al. Acoustic emission of rocks under direct tension Brazilian and uniaxial compression[J]. Chinese Journal of Rock Mechanics and Engineering, 2007, 26(1): 137-142.(in Chinese)
3. WU Gang, ZHAO Zhenyang. Acoustic emission character of rock materials failure during various stress states[J]. Chinese Journal of Geotechnical Engineering, 1998, 20(2): 82-85.(in Chinese)
4. LI Shulin, YIN Xiangang, WANG Yongjia, et al. Studies on acoustic emission characteristics of uniaxial compressive rock failure[J]. Chinese Journal of Rock Mechanics and Engineering, 2004, 23(15): 2499-2503.(in Chinese)
5. ZHANG Ru, XIE Heping, LIU Jianfeng, et al. Experimental study on acoustic emission characteristics of rock failure under uniaxial multilevel loadings[J]. Chinese Journal of Rock Mechanics and Engineering, 2006, 25(12): 2584-2588.(in Chinese)
6. LI Yuanhui, YUAN Ruifu, ZHAO Xingdong. Effect of different stress paths on Kaiser effect of rock acoustic emission[J]. Journal of Northeastern University (Natural Science), 2007, 28(4): 476-479.(in Chinese)
7. XIE Qiang, ZHANG Yongxing, YU Xianbin. Study on acoustic emission of limestone in uniaxial compression test[J]. Journal of Chongqing University, 2002, 24(1): 19-24.(in Chinese)
8. FU Xiaomin. Experimental study on uniaxial compression deformation and acoustic emission property of typical rocks[J]. Journal of Chengdu University of Technology (Natural Science), 2005, 32(1): 17-21.(in Chinese)
9. LIU Baoxian, ZHAO Baoyun, JIANG Yongdong. Study of deformation-damage and acoustic emission character of coal rock under uniaxial compression[J]. Chinese Journal of Underground Space and Engineering, 2007, 3(4): 647-650.(in Chinese)
10. YANG Yongjie, CHEN Shaojie, HAN Guodong. Experimental on acoustic emission during compression rupture procedure of coal sample[J]. Journal of China Coal Society, 2006, 31(5): 362-365.(in Chinese)
11. CAO Shugang, LIU Yanbao, ZHANG Liqiang. Study on characteristics of acoustic emission in outburst coal[J]. Chinese Journal of Rock Mechanics and Engineering, 2007, 26(Supp.1): 2794-2799.(in Chinese)
12. WANG Enyuan, HE Xueqiu, LIU Zhentang, et al. Study on frequency spectrum characteristics of acoustic emission in coal or rock deformation and fracture[J]. Journal of China Coal Society, 2004, 29(3): 289-292.(in Chinese)
13. DOU Linming, HE Xueqiu. Model for rock burst failure and its critical values of acoustic and electromagnetic emission[J]. Journal of China University of Mining and Technology, 2004, 33(5): 504-508.(in Chinese)
14. ZHANG Guangqing, JIN Yan, CHEN Mian. Measurement of in-situ stresses by Kaiser effect under confining pressures[J]. Chinese Journal of Rock Mechanics and Engineering, 2002, 21(3): 360-363.(in Chinese)
15. JIANG Yu, GE Xiurun, REN Jianxi. Deformation rules and acoustic emission characteristics of rocks in process of fatigue failure[J]. Chinese Journal of Rock Mechanics and Engineering, 2004, 23(11): 1810-1814.(in Chinese)
16. JIANG Jinhui, GUO Qinling, ZHOU Chuangbing, et al. Research on AE characteristics of marble with different water contents[J]. China Rural Water and Hydropower, 2005, (11): 72-74.(in Chinese)
17. LI Junping, ZHOU Chuangbing. Experimental research on acoustic emission characteristics of rock mass[J]. Rock and Soil Mechanics, 2004, 25(3): 374-378.(in Chinese)
18. SU Chengdong, ZHAI Xinxian, LI Yongming, et al. Study on the deformation and strength of coal samples in triaxial compression[J]. Chinese Journal of Rock Mechanics and Engineering, 2006, 25(Supp.1): 2963-2968.(in Chinese)