Advanced SearchSearch Tips
Algorithm Development and Experimental Verification of Acoustic Emission First-arrival-time Determination for the Source Location
facebook(new window)  Pirnt(new window) E-mail(new window) Excel Download
  • Journal title : The Journal of Engineering Geology
  • Volume 25, Issue 4,  2015, pp.587-598
  • Publisher : The Korea Society of Engineering Gelolgy
  • DOI : 10.9720/kseg.2015.4.587
 Title & Authors
Algorithm Development and Experimental Verification of Acoustic Emission First-arrival-time Determination for the Source Location
Jang, Hyun-Sic; Choi, Jun-Young; Jang, Bo-An;
  PDF(new window)
We examined various existing threshold methods for the determination of the first arrival time of acoustic emission (AE), and developed a new variable threshold method that could determine the first arrival time of AE more accurately and more quickly than existing methods. The new method, a modification of an existing threshold method, does not fix the threshold, but applies variable thresholds for the AE signals according to noise analysis. Two- and three-dimensional models were established to test the effectiveness of the new method. It could determine source locations of AE in a two-dimensional model 38.3% more accurately than the pre-existing threshold methods. Its accuracy improvement over the existing methods in a three-dimensional model was about 15.2%. A practical test involved measuring the source locations of AE during three-point bending tests of granite cores. The new method placed the sources closer to the fracture plane than did the pre-existing methods, indicating its superior (and quicker) ability to determine the source locations of AE.
acoustic emission (AE);first arrival time;variable threshold method;verification test;
 Cited by
Choi, S. B. and Jeon, S. W., 2015, Experimental study on source locating technique for transversely isotropic media, Tunnel & Underground Space, 25(1), 56-67 (in Korean with English abstract). crossref(new window)

Emsley, S., Olsson, O., Stenberg, H. J., Alheid, H. J., and Falls, S., 1997, ZEDEXF a study of damage and disturbance from tunnel excavation by blasting and tunnel boring, Technical Report 97-30, Swedish Nuclear Fuel and Waste Management CO. Stockholm, 198p.

Falmagne, V., Kaiser, P. K., and Martin, C. D., 1998, Microseismic monitoring and rock mass degradation, In : CD-ROM Proc. of the 100th Canadian Institute of Mining and Metallurgy Annual General Meeting, Montreal.

Groose, C. U., 2000, Winpecker version 1.2. Instruction manual, University of Stuttgart, Stuttgart.

Hashida, T. and Takahashi, H., 1993, Singificance of AE crack monitoring in fracture toughness evaluation and non-linear rock fracture mechanics, International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 30(1), 47-60. crossref(new window)

Hashida, T., 1993, Fracture toughness testing of corebased specimens by acoustic emission, International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 30(1), 61-69. crossref(new window)

Kim, J. S., Kwon, S. K., Sanchez, M., and Cho, G. C., 2011, Geological storage of high level nuclear waste, KSCE Journal of Civil Engineering, 15(4), 721-737 (in Korean with English abstract). crossref(new window)

Kurz, J. H., Grosse, C. U., and Reinhardt, H. W., 2005, Strategies for reliable automatic onset time picking of acoustic emissions and of ultrasound signals in concrete, Ultrasonics, 43(7), 538-546. crossref(new window)

Landis, E., Ouyang, C., and Shah, S. P., 1991, Automated determination of first P-wave arrival and acoustic emission source location, Journal of Acoustic Emission, 10(1-2), S97-S103.

Lee, S. E., 1999, A study on the determination of source location and source mechanism by acoustic emission in rock materials, PhD Thesis, Kangwon National University, Korea, 193p (in Korean with English abstract).

Lee, K. S., Kim, J. S., Lee, C. S., Yoon, C. H., and Choi, J. W., 2011, A study on the P wave arrival time determination algorithm of Acoustic Emission (AE) suitable for P waves with low signal-to-noise ratios, Tunnel & Underground Space, 21(5), 349-358 (in Korean with English abstract).

Maji, A. and Shah, S. P., 1988, Process zone and acoustic emission measurements in concrete, Experimental Mechanics, 28(1), 27-33. crossref(new window)

Read, R. S., 1996, AECL's mine-by experiment: a test tunnel in brittle rock, Rock Mechanics Tools and Techniques, In : Proceedings of the 2nd North American Rock Mechanics Symposium, NARMS'96, a Regional Conference of ISRM, Montréal, Québec, Canada, Taylor & Francis US, 1, 13.

Ohtsu, M., 1995, Acoustic emission theory for moment tensor analysis, Journal of Research in Nondestructive Evaluation, 6(3), 169-184. crossref(new window)

Olsson, O. L. and Winberg, A., 1996, Current understanding of extent and properties of the excavation disturbed zone and its dependence of excavation method, In : Proceedings of the International Conference on Deep Geological Disposal of Radioactive Waste, 101-112.

Plouffe, M., 1990, A local seismic survey at Creighton mine, CANMET, Energy, Mines and Resources Canada, Mining Research Laboratories (Canada), Division Report MRL 90-076.

Sedlak, P., Hirose, Y., Khan, S. A., Enoki, M., and Sikula, J., 2009, New automatic localization technique of acoustic emission signals in thin metal plates, Ultrasonics, 49, 254-262. crossref(new window)

Sleemen, R. and Eck, T. V., 1999, Robust automatic Pphase picking: an on-line implementation in the analysis of broadband seismogram recordings, Physics of the Earth and Planetary Interiors, 113(1), 265-275. crossref(new window)

Young, R. P., Hutchins, D. A., McGaughey, J., Towers, J., Jansen, D., and Bostock, M., 1989, Geotomographic imaging in the study of mining induced seismicity, In: Seismicity in Mines. Birkhäuser Basel, 571-596.

Zhang, H., Thunber, C., and Rowe, C., 2003, Automatic P-wave arrival detection and picking with multiscale wavelet analysis for single-component recordings, Bulletein of Seismological Society of America, 93(5), 1904-1912. crossref(new window)