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Permeability coefficient of porous asphalt mixture containing coconut shells and fibres

Norhidayah, Abdul Hassan and Haryati, Yaacob and Nordiana, Mashros and Mohd Khairul Idham, Mohd Satar and Juraidah, A. and Putra Jaya, Ramadhansyah (2019) Permeability coefficient of porous asphalt mixture containing coconut shells and fibres. In: IOP Conference Series: Earth and Environmental Science, National Colloquium on Wind and Earthquake Engineering, 17-18 August 2018 , Kuantan, Pahang, Malaysia. pp. 1-5., 244 (012037). ISSN 1755-1315

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Abstract

The abundance of coconut shells (CS) have been involved in environmental issues. Yet new sources of aggregates should be found from environmental waste. CS and coconut fibres (CF) have been chosen from environmental waste to use in this study. Generally, this research concerns the partial replacement of coconut shells in coarse aggregates and coconut fibres as additives in porous asphalt mixture. CS and CF were put through chemical treatment by soaking in 5wt% of Sodium Hydroxide (NaOH) solution before being involved in the mixture. CS has been used to substitute 5mm of coarse aggregate with 0%, 5%, 10% and 15% while CF were added into porous asphalt mixtures with 0%, 0.3% and 0.5%. Permeability and air voids test were carried out to analyse the durability characteristics of porous asphalt mix. The results show that coconut shells and fibres can reduce the drainage time since coconut fibres in the samples could reduce clogging by binders. On the other hand, 15% of treated CS has a lower air void than untreated CS.

Item Type: Conference or Workshop Item (Lecture)
Uncontrolled Keywords: Sodium Hydroxide (NaOH); Coconut shells
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division: Faculty of Civil Engineering & Earth Resources
Depositing User: Ms. Norashikin Nordin
Date Deposited: 31 Dec 2018 23:09
Last Modified: 02 Apr 2019 01:16
URI: http://umpir.ump.edu.my/id/eprint/23451
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