Effect of Crumb Rubber, Epolene (EE-2), and Date Palm Ash as Modifiers on the Performance of Binders and Mixtures: A Sustainable Approach

Muhammad Imran Khan, Muslich Hartadi Sutanto, Sri Sunarjono, Shah Room and Nur Izzi Md Yusoff
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Muhammad Imran Khan: Department of Civil & Environmental Engineering, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Malaysia
Muslich Hartadi Sutanto: Department of Civil & Environmental Engineering, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Malaysia
Sri Sunarjono: Faculty of Engineering, Universitas Muhammadiyah Surakarta, Jawa Tengah 57162, Indonesia
Shah Room: Department of Civil Engineering Technology, University of Technology, Nowshera 24100, Pakistan
Nur Izzi Md Yusoff: Department of Civil & Structural Engineering, The National University of Malaysia, Selangor 43600, Malaysia

Sustainability, 2019, vol. 11, issue 22, 1-13

Abstract: The only type of conventional bitumen (PG 64-10) available in the Kingdom of Saudi Arabia (KSA) does not meet the temperature requirements of most of the kingdom’s regions. Hence, the binder needs to be modified to improve the performance of flexible pavements at high temperature and heavy traffic loading. In order to meet the requirements of the Superpave Performance Grade (PG), crumb rubber (CR), epolene (EE-2), and date palm ash (DPA) were used as asphalt additives in different percentages (4%, 8%, 12%, and 16% by weight of bitumen). Viscosity and rheological tests as well as stability and indirect tensile tests were performed on binders and asphalt mixtures. The binders modified with CR, EE-2, and DPA showed improved rheological and performance properties as compared to conventional binder. Similarly, the PG of conventional asphalt was upgraded with the addition of different percentages of the modifiers. Furthermore, this study also aimed to help the environment by minimizing and recycling wastes in road construction processes to achieve sustainability.

Keywords: crumb rubber; date palm ash; epolene; Marshal quotient; bitumen rheology; modified bitumen (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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