Utilisation of Waste-Based Geopolymer in Asphalt Pavement Modification and Construction—A Review

Abdalrhman Milad, Ahmed Suliman B. Ali, Ali Mohammed Babalghaith, Zubair Ahmed Memon, Nuha S. Mashaan, Salaheddin Arafa and Nur Izzi Md. Yusoff
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Abdalrhman Milad: Department of Civil Engineering, Universiti Kebangsaan Malaysia, UKM Bangi 43600, Selangor, Malaysia
Ahmed Suliman B. Ali: Faculty of Civil Engineering and Built Environment, University Tun Hussein Onn Malaysia, Parit Raja 86400, Johor, Malaysia
Ali Mohammed Babalghaith: Centre for Transportation Research, Department of Civil Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
Zubair Ahmed Memon: Department of Engineering Management, College of Engineering, Prince Sultan University (PSU), Riyadh 11586, Saudi Arabia
Nuha S. Mashaan: School of Civil & Mechanical Engineering, Curtin University, Bentley, WA 6102, Australia
Salaheddin Arafa: Faculty of Civil Engineering and Built Environment, University Tun Hussein Onn Malaysia, Parit Raja 86400, Johor, Malaysia
Nur Izzi Md. Yusoff: Department of Civil Engineering, Universiti Kebangsaan Malaysia, UKM Bangi 43600, Selangor, Malaysia

Sustainability, 2021, vol. 13, issue 6, 1-21

Abstract: The use of geopolymer in pavement constructions is strongly encouraged. Many studies have demonstrated the vast potential of using industrial-by-products-based geopolymers. This paper discusses the modification of asphalt binders with geopolymers, namely geopolymer-modified asphalt (GMA) and geopolymer-modified asphalt mixture (GMAM). In addition, curing geopolymer materials, engineering properties, production techniques, and prospective utilisation in the pavement construction, such as durability and sustainability, are also discussed. The literature review showed that many industrial by-products, including red mud, blast furnace slag, fly ash, and mine waste, are used to produce geopolymers because of the metal components such as silicon and aluminium in these materials. The geopolymers from these materials influence the rheological and physical properties of asphalt binders. Geopolymers can enhance asphalt mixture performance, such as stability, fatigue, rutting, and low-temperature cracking. The use of geopolymers in asphalt pavement has beneficial impacts on sustainability and economic and environmental benefits.

Keywords: geopolymers; eco-friendly; asphalt pavement industry; hot-mix asphalt; warm-mix asphalt; reclaimed asphalt pavement; industrial wastes (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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