A systematic review of the utilization of waste materials as aggregate replacement in stone matrix asphalt mixes

Babalghaith, Ali Mohammed and Koting, Suhana and Sulong, Nor Hafizah Ramli and Khan, Md Zahid Hossain and Milad, Abdalrhman and Yusoff, Nur Izzi Md. and Ibrahim, Mohd Rasdan and Mohamed, Abdul Halim Bin Nagor (2022) A systematic review of the utilization of waste materials as aggregate replacement in stone matrix asphalt mixes. Environmental Science and Pollution Research, 29 (24). pp. 35557-35582. ISSN 0944-1344, DOI https://doi.org/10.1007/s11356-022-19447-w.

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Abstract

The daily utilization of a large amount of raw materials is causing a rapid depletion of natural resources. The growth of the human population is accompanied by higher activities in the agricultural and manufacturing sectors that resulted in a larger volume of waste materials being disposed of in landfills each year. Researchers are seeking ways to reduce the adverse impact of waste materials on the environment. One method for managing waste materials is using them as a substitute for natural materials, for example, as aggregate replacement in the construction of road pavements. This paper reviews the previous studies that explored the use of waste materials as aggregate replacement in stone matrix asphalt (SMA) mix and the performance of asphalt pavements constructed using these materials. A systematic literature search of four databases revealed that waste materials could be used as an alternative to the natural aggregates. Future studies on the SMA mixes should investigate using other waste materials that could improve mix design and enhance pavement performance. There is a need to establish a standard code of practice and train material technologists to use different types of waste in SMA pavement construction. In summary, it is essential to perform a life cycle cost analysis (LCCA) and life cycle assessment (LCA) to quantify the economic and environmental impacts of the different waste materials used as aggregates in SMA.

Item Type: Article
Funders: Universiti Malaya [Grant No: IIRG009C-19IISS]
Uncontrolled Keywords: Aggregate; Asphalt mix; Gap-graded asphalt mix; Asphalt mix performance; SMA; Waste materials
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering > Department of Civil Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 05 Oct 2023 03:14
Last Modified: 05 Oct 2023 06:33
URI: http://eprints.um.edu.my/id/eprint/42997

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