P-Wave Arrival Determination and AE Characterization of Concrete
Publication: Journal of Engineering Mechanics
Volume 126, Issue 2
Abstract
The arrival time of the first P-wave is, among other parameters, of prime importance for pinpointing the location of an acoustic emission (AE) event source. However, it seems that determining the first P-wave arrival times from digitized signals has been overlooked in previous works. In this paper, a new method is proposed based on digital signal processing techniques. AE analyses are then performed for both normal-strength concrete and high-strength concrete in uniaxial tension to study the damage initiation and progression by interpreting the activities and locations of AE events. The results indicate that using the proposed method to determine the P-wave arrival time of AE signals is quite successful. It is found that microcracking starts early before peak stress. Localization is clearly observed for both normal-strength concrete and high-strength concrete. The examination of AE activities and source location maps reveal that the internal microcracking behavior is consistent with the macroscopic deformation behavior of the materials.
Get full access to this article
View all available purchase options and get full access to this article.
References
1.
Antoniou, A. (1993). Digital filters: analysis, design and applications, 2nd Ed., McGraw-Hill, New York.
2.
Enoki, M., and Kishi, T. (1988). “Theory and analysis of deformation moment tensor due to microcracking.” Int. J. Fracture, 38(4), 295–310.
3.
Hamming, R. W. (1989). Digital filters, 3rd Ed., Prentice-Hall, Englewood Cliffs, N.J., 36–70.
4.
Hamstad, M. A. (1986). “A review: acoustic emission, a tool for composite-materials studies.” Experimental Mech., 26(1), 7–13.
5.
Hearn, S. W., and Shield, C. K. (1997). “Acoustic emission monitoring as a nondestructive testing technique in reinforced concrete.” ACI Mat. J., 94(6), 510–519.
6.
Landis, E., Ouyang, C., and Shah, S. P. (1991). “Automated determination of first P-wave arrival and acoustic emission source location.” J. Acoustic Emission, 10(1–2), S97–S103.
7.
Li, F., and Li, Z. ( 1997). “Early detection of corrosion of reinforcing steel in structural concrete,” Mechanisms of chemical degradation of cement-based systems, K. L. Scrivener and J. F. Young, eds., E&FN Spon, London, 159–166.
8.
Li, X. S. (1997). “Discussion of `Pulse transmission system for measuring wave propagation in soils' by Koichi Nakagawa, Kenichi Soga, and James K. Mitchell.”J. Geotech. and Geoenvir. Engrg., ASCE, 123(9), 883–884.
9.
Li, Z. (1996). “Microcrack characterization in concrete under uniaxial tension.” Mag. Concrete Res., 48(176), 219–228.
10.
Li, Z., and Shah, S. P. (1994). “Localization of microcracking in concrete under uniaxial tension.” ACI Mat. J., 91(4), 372–381.
11.
Li, Z., Kulkarni, S. M., and Shah, S. P. (1993). “New test method for obtaining softening response of unnotched concrete specimen under uniaxial tension.” Experimental Mech., 33(3), 181–188.
12.
Li, Z., Li, F., Chang, P. T. Y., and Mai, Y.-W. (1998a). “Uniaxial tensile behavior of concrete reinforced with randomly distributed short fibers.” ACI Mat. J., 95(5), 564–574.
13.
Li, Z., Li, F., Zdunek, A., Landis, E., and Shah, S. P. (1998b). “Application of acoustic emission technique to detection of reinforcing steel corrosion in concrete.” ACI Mat. J., 95(1), 68–76.
14.
Maji, A., and Shah, S. P. (1988). “Process zone and acoustic emission measurements in concrete.” Experimental Mech., 28(1), 27–33.
15.
Maji, A. K., Ouyang, C. and Shah, S. P. (1990). “Fracture mechanisms of quasi-brittle materials based on acoustic emission.” J. Mat. Res., 5(1), 206–217.
16.
McCabe, W. M., Koerner, R. M., and Lord, A. E. Jr. (1976). “Acoustic emission behavior of concrete laboratory specimens.” ACI J., 73(4), 367–371.
17.
Ohtsu, M. (1987). “Acoustic emission characteristics in concrete and diagnostic applications.” J. Acoustic Emission, 6(2), 99–108.
18.
Oppenheim, A. V., and Schafer, R. W. (1975). Digital signal processing. Prentice-Hall, Englewood Cliffs, N.J.
19.
Ouyang, C., Landis, E., and Shah, S. P. (1991). “Damage assessment in concrete using quantitative acoustic emission.”J. Engrg. Mech., ASCE, 117(11), 2681–2698.
20.
Reymond, M.-C., Raharinaivo, A., and Brachet, M. (1983). “Characterization of concrete damages by acoustic emission analysis.” J. Acoustic Emission, 2(3), 159–168.
Information & Authors
Information
Published In
History
Received: Jun 14, 1998
Published online: Feb 1, 2000
Published in print: Feb 2000
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.