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Maximum crack spacing model for irregular-shaped polyethylene terephthalate fibre reinforced concrete beam

Irwan, J.M. and Asyraf, R.M. and Othman, N. and Koh, H.B. and Aeslina, A.K. and Annas, M.M.K. and Faisal , S.K. (2014) Maximum crack spacing model for irregular-shaped polyethylene terephthalate fibre reinforced concrete beam. International Journal of Structural Analysis & Design – IJSAD, 1 (2). pp. 71-75. ISSN 2372-4102

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Abstract

This paper reports the results of an experimental study of reinforced concrete (RC) beam conducted using irregularshaped Polyethylene Terephthalate (IPET) as fibre. Three volume fraction of IPET fibre are used namely, 0.5%, 1% and 1.5%. All RC beam specimens are tested under four point loading under flexural capacity behaviour. The results for maximum crack spacing under cracking behaviour are reported. The results than are compared with three models namely, Gilbert model, EC2 1997 and CEB-FIP 1990 to determine the most reliable approach than match with the experimental results. It is found that the addition of IPET fibre improves the crack spacing of RC beams proportional to the increment of volume fraction of IPET fibre. None of the models mentioned above considered the fibre factor. Therefore, a modification of the most reliable model are carried out and proved with the statistical analysis tool to consider IPET fibre factor. At the end of this paper, a modified model is carried out for future research that has same parameters with this research.

Item Type: Article
Uncontrolled Keywords: Irregular-shaped polyethylene terephthalate(IPET) fibre; mechanical properties; deflection behavior; maximum crack spacing; maximum crack spacing model; and reinforced concrete (RC) beam.
Subjects: T Technology > TP Chemical technology > TP995-996 Utilization of wastes
Divisions: Faculty of Civil and Environmental Engineering > Department of Structural and Material Engineering
Depositing User: Mrs Hasliza Hamdan
Date Deposited: 13 Aug 2018 03:33
Last Modified: 13 Aug 2018 03:33
URI: http://eprints.uthm.edu.my/id/eprint/9740
Statistic Details: View Download Statistic

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