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Towards innovative FRP fabric reinforcement in concrete beams : concrete–CFRP bond
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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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Official URL: https://doi.org/10.1680/jmacr.17.00016
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 | ||||||||||
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| 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: |
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| 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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