Title: Non-destructive testing techniques for FRP rehabilitated concrete. I: a critical review

Authors: H. Kaiser, V.M. Karbhari

Addresses: Department of Structural Engineering, MC-0085, University of California, San Diego, La Jolla, CA 92092-0085, USA. ' Department of Structural Engineering, MC-0085, University of California, San Diego, La Jolla, CA 92092-0085 USA

Abstract: Fibre reinforced polymer (FRP) composites are increasingly being used in the form of externally bonded reinforcement for purposes of repair and strengthening of deteriorating and under-strength concrete structures. Due to the criticality of these systems, and the potential for deterioration of the rehabilitated system components if specific requirements are not met, there is a need for the development and implementation of effective methods of non-destructive testing (NDT) that can assess the response at both a systems and local level. This paper reviews currently available techniques, focusing on their applicability for rapid use in the field. It is shown that although a number of techniques meet the overall requirements, none is at a stage of development such that it can be directly used with great effectiveness. Critical research and development needs are identified as a result of this review.

Keywords: bonding; fibre reinforced polymer composites; FRP composites; concrete structures; monitoring; NDT; rehabilitation; non-destructive testing.

DOI: 10.1504/IJMPT.2004.004996

International Journal of Materials and Product Technology, 2004 Vol.21 No.5, pp.349 - 384

Published online: 11 Aug 2004 *

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