MATEC Web Conf.
Volume 138, 2017The 6th International Conference of Euro Asia Civil Engineering Forum (EACEF 2017)
|Number of page(s)||6|
|Section||2-Structural and Construction Engineering|
|Published online||30 December 2017|
Use of Stress Wave to Evaluate The Repair Quality of Concrete Crack
1 Assistant Professor, Department of Construction Engineering, Chaoyang University of Technology, Taiwan
2 Professor, Department of Construction Engineering, Chaoyang University of Technology, Taiwan
3 Postgraduate, Department of Construction Engineering, Chaoyang University of Technology, Taiwan
The objective of this paper is to develop a nondestructive test technique based on stress wave propagation for evaluating the repair quality of concrete. Concrete structures frequently exist various types of cracks due to inferior environment and excessive loading. There are several crack repairing technique used in concrete construction. Epoxy-injection is the one used mostly in crack repairing. In this paper, a newly developed technique based on the stress wave was used to evaluate the repair quality of concrete crack. Numerical results show that the stress wave propagation of the impact-echo tests is capable of identifying the infill of epoxy-injection in the crack of repaired structures. The new technique under development has a high potential for evaluation of the quality of the repaired cracks.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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