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Performance of lightweight granulated glass concrete beams reinforced with basalt FRP bars

Gand, AK, Sharif, S, Saidani, M, Lumor, R, Fom, PB, Yeboah, D and Ogbologugo, U (2019) Performance of lightweight granulated glass concrete beams reinforced with basalt FRP bars. Engineering Solid Mechanics, 7 (3). pp. 247-262. ISSN 2291-8744

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Abstract

This paper presents an investigation into the flexural behaviour of basalt FRP reinforced concrete beams through experimental and analytical methods. To achieve the research objectives, four concrete beams reinforced with steel and four identical concrete beams reinforced with BFRP bars were tested under four-point bending. The main parameters examined under the tests are the type of concrete (lightweight foam glass concrete and normal concrete) and the type of longitudinal reinforcement bars (BFRP and steel). Test results are presented in terms of failure modes; deformation crack pattern and the ultimate moment of resistance are presented. The experimental results are analysed and compared to predictive models proposed by ACI 440.1R, 2006 and BS EN 1992, Eurocode 2, for deformations and ultimate flexural capacities of the steel and BFRP reinforced concrete beams. The experimental results indicated that the flexural capacity decreased for the beams reinforced with BFRP bars compared to that of a corresponding beam reinforced with steel bars. Both types of beams failed in the modes predicted. The prediction models underestimated the flexural capacity of BFRP reinforced concrete beams. The increase in foam glass aggregate content was observed to reduce the cracking load by almost 10-40% and 25-50% for steel and BFRP reinforced concrete beams, respectively. The flexural capacities of BFRP reinforced beams were underestimated by using equations stipulated in ACI 440.1R and Eurocode 2 codes of practice. © 2019 Growing Science Ltd. All rights reserved.

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Civil Engineering
Publisher: Growing Science
Date Deposited: 31 Jul 2019 09:19
Last Modified: 31 Jul 2019 09:30
DOI or Identification number: 10.5267/j.esm.2019.4.004
URI: http://researchonline.ljmu.ac.uk/id/eprint/11136

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