Achintha, M., Alami, F., Harry, S. and Bloodworth, Alan G. (2018) Towards innovative FRP fabric reinforcement in concrete beams : concrete–CFRP bond. Magazine of Concrete Research, 70 (15). pp. 758-797. doi:10.1680/jmacr.17.00016

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Abstract

The paper reports results of an experimental investigation into load response and failure behaviour of rectangular prismatic concrete beams reinforced with a combined flexural and shear reinforcement system made from carbon fibre reinforced polymer (CFRP) fabric. It is shown that CFRP U-channels with aggregate coating and an anchorage system consisting of a lipped channel section with intermittent closed loops were found to provide improved composite action between the CFRP reinforcement and concrete. These CFRP channels also ensured adequate strength and ductility before failure. Possible modes of failures of the beams are discussed as is the effect of the design parameters on the failure mode and the failure load. It is anticipated that the findings of this paper could be effectively used in other applications such as non-prismatic concrete geometries and as permanent formwork/reinforcement in thin concrete members where the flexible characteristics of dry CFRP fabrics are most useful.

Item Type:	Journal Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Faculty of Science > Engineering
Journal or Publication Title:	Magazine of Concrete Research
Publisher:	ICE Publishing
ISSN:	0024-9831
Official Date:	August 2018
Dates:	Date Event August 2018 Published 22 June 2018 Available 30 October 2017 Available 27 October 2017 Accepted
Date of first compliant deposit:	27 October 2017
Volume:	70
Number:	15
Page Range:	pp. 758-797
DOI:	10.1680/jmacr.17.00016
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access
Funder:	Indonesia. Direktorat Jenderal Pendidikan Tinggi [Directorate General of Higher Education] (DIKTI), Institution of Civil Engineers (Great Britain)

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