Research on the Repair Quality of Crack in Concrete Structures by Stress Waves

Abstract:

The main purpose of this study is to develop non-destructive testing techniques for assessing the repair condition of concrete structures. Concrete is a building material commonly used in engineering, such as dams, bridges, retaining walls, houses, etc.. Concrete structures frequently exist various types of cracks due to inferior environments and excessive loading. There are several crack-repairing techniques used in concrete construction. The most common method is to use epoxy. The proposed research will perform a series of numerical and experimental studies to investigate the feasibility of developing a new technique for quantitative evaluation of the concrete surface crack repairing status degree. The results of the studies will form the experimental study for establishing the experimental procedure and signal analysis criteria for further field application in the nondestructive evaluation of concrete surface crack repairing status.

• Periodical: Key Engineering Materials (Volume 963)
• Pages: 209-214
• DOI: https://doi.org/10.4028/p-6wOb3R
• Online since: October 2023
• Authors: Keng Tsang Hsu, Ji Heng Cai, Wen Ning Yang, Xing Run Cai*
• Keywords: Crack Repair, Non-Destructive Testing, Stress Wave Method

References

[1] ACI Committee 224, "Cause, Evaluation and Repair of Crack in Concrete Structure," (1993) pp.1-19.

[2] Issa.C.A, Debs.T, "Experimental study of epoxy repairing of cracks in concrete," Constr Build Mater, (2007) Vol.21, No.1, pp.157-163

DOI: 10.1016/j.conbuildmat.2005.06.030

[3] Aggelis.D.G, Shiotani.T, "Repair evaluation of concrete cracks using surface and through-transmission wave measurements," Cement Concrete Composites, (2007)Vol.29, No.9, pp.700-711.

DOI: 10.1016/j.cemconcomp.2007.05.001

[4] Aggelis.D.G, Shiotani.T, Polyzos, D "Characterization of surface crack depth and repair evaluation using Rayleigh waves," Cement Concrete Composites, (2009),Vol.31,No.1,pp.77-83.

DOI: 10.1016/j.cemconcomp.2008.09.008

[5] Cooley, J.W. and Tukey, J.W., "An Algorithm for Machine Calculation of Complex Fourier Series," Math. Computation, (1965),Vol. 19, pp.297-301.

DOI: 10.1090/s0025-5718-1965-0178586-1

[6] Colla and Lausch, "Influence of Source Frequency on Impact echo Data Quality for Testung Concrete Structure, (2003)" NDT&E International, Vol.36, pp.203-213.

DOI: 10.1016/s0963-8695(02)00062-2