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Behaviour of unconfined and FRP-confined rubberised concrete in axial compression
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Raffoul, Samar, Garcia, Reyes, Escolano-Margarit, David, Guadagnini, Maurizio, Hajirasouliha, Iman and Pilakoutas, Kypros (2017) Behaviour of unconfined and FRP-confined rubberised concrete in axial compression. Construction and Building Materials, 147 . pp. 388-397. doi:10.1016/j.conbuildmat.2017.04.175 ISSN 0950-0618.
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WRAP-behaviour-unconfined-FRP-confined-rubberised-concrete-axial-compression-Garcia-2018.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (1543Kb) | Preview |
Official URL: https://doi.org/10.1016/j.conbuildmat.2017.04.175
Abstract
This article investigates the use of externally bonded Fibre Reinforced Polymer (FRP) jackets to develop a novel high-strength, highly-deformable FRP Confined Rubberised Concrete (CRuC). Sixty rubberised concrete (RuC) cylinders were tested in axial compression. The cylinders were produced using recycled tyre rubber to replace i) 0–100% fine or coarse aggregate volume or ii) a replacement of 40% or 60% of the total aggregate volume. Six cylinders of the latter mix were then confined with either two or three layers of Aramid FRP sheets. The results indicate that the use of high rubber contents in concrete lead to premature microcracking and lateral expansion, the latter of which can be used to activate the FRP confinement earlier and achieve higher confinement effectiveness. The CRuC cylinders reached compressive strengths of up to 75 MPa and unprecedented ultimate axial strains up to 5%, i.e. about fourteen times larger than those of normal concrete (0.35%). Such novel high-strength, highly-deformable CRuC is of great value to engineers and can be used for structural applications where large deformability is required.
| Item Type: | Journal Article | |||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TH Building construction |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | |||||||||
| Library of Congress Subject Headings (LCSH): | Fiber-reinforced plastics, Rubberized fabrics, Tires -- Materials, Tire fabrics, Tires -- Recycling, Rubber, Reclaimed, Concrete -- Additives, Axial loads | |||||||||
| Journal or Publication Title: | Construction and Building Materials | |||||||||
| Publisher: | Elsevier | |||||||||
| ISSN: | 0950-0618 | |||||||||
| Official Date: | 30 August 2017 | |||||||||
| Dates: |
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| Volume: | 147 | |||||||||
| Page Range: | pp. 388-397 | |||||||||
| DOI: | 10.1016/j.conbuildmat.2017.04.175 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access (Creative Commons) | |||||||||
| Date of first compliant deposit: | 7 December 2018 | |||||||||
| Date of first compliant Open Access: | 7 December 2018 | |||||||||
| RIOXX Funder/Project Grant: |
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