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Polymers 2018, 10(1), 77; https://doi.org/10.3390/polym10010077

EBR Strengthening Technique for Concrete, Long-Term Behaviour and Historical Survey

Swiss Federal Laboratories for Materials Science and Technology (Empa), Überlandstrasse 129, 8600 Dübendorf, Switzerland
The paper is an expanded version of the paper presented at the SMAR2017 Conference, Zurich, Switzerland, 13–15 September 2017.
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Received: 8 December 2017 / Revised: 25 December 2017 / Accepted: 2 January 2018 / Published: 17 January 2018
(This article belongs to the Special Issue Selected Papers from "SMAR 2017")

Abstract

Epoxy bonded steel plates (externally bonded reinforcemen: EBR) for the strengthening of concrete structures were introduced to the construction industry in the late 1960s, and the use of fibre reinforced polymers (FRPs) was introduced in the 1990s, which means that these techniques have already been used in construction for 50 and 25 years, respectively. In the first part of the paper, a historical survey of the development and introduction of these strengthening techniques into the construction industry are presented. The monitoring of such applications in construction is very important and gives more confidence to this strengthening technique. Therefore, in the second part of the paper, two long-term monitoring campaigns over an extraordinarily long duration will be presented. Firstly, a 47-year monitoring campaign on a concrete beam with an epoxy bonded steel plate and, secondly, a 20-year monitoring campaign on a road bridge with epoxy bonded CFRP (carbon fibre reinforced polymers) strips are described. The paper is an expanded version of the paper presented at the SMAR2017 Conference. View Full-Text
Keywords: externally bonded reinforcement; EBR; strengthening of reinforced concrete; epoxy adhesive; bond; steel; CFRP; long-term behaviour externally bonded reinforcement; EBR; strengthening of reinforced concrete; epoxy adhesive; bond; steel; CFRP; long-term behaviour
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Czaderski, C.; Meier, U. EBR Strengthening Technique for Concrete, Long-Term Behaviour and Historical Survey. Polymers 2018, 10, 77.

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