Thermal performance of waste materials as aggregate replacement in asphalt pavement

Aletba, Salam Ridha Oleiwi and Norhidayah, Abdul Hassan and Eeydzah, Aminudin and Putra Jaya, Ramadhansyah and Nurul Athma, Mohd Shukry and Nordiana, Mashros and A. Aziz, Md Maniruzzaman and Md. Nor, Hasanan (2019) Thermal performance of waste materials as aggregate replacement in asphalt pavement. In: IOP Conference Series: Earth and Environmental Science, The 12th International Civil Engineering Post Graduate Conference (SEPKA), The 3rd International Symposium on Expertise of Engineering Design (ISEED) , 27-28 August 2018 , Johor, Malaysia. pp. 1-10., 220 (012011). ISSN 1755-1315

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The high surface temperature of the conventional asphalt pavement due to high solar energy absorption could contribute to the Urban Heat Island (UHI) phenomenon. Concurrent with this phenomenon, rapid urbanization and industrial development have led to a large quantity of waste products available for disposal or recycling. Therefore, this study investigates the thermal performance of selected waste materials that could potentially be used as aggregate in asphalt pavement to combat the problem of increased pavement surface temperature. A number of waste materials were selected for the thermal performance measurement and compared to granite as conventional aggregate. The cylindrical and slab samples of AC14 dense graded asphalt were prepared for the different selected aggregate types. The samples were then measured for solar reflectance using Spectroradiometer. In addition, the surface and internal temperature profiles of the samples were monitored using infrared camera and thermocouples, respectively, in exposed environments. Based on the results, it is possible to use some of the waste materials as an aggregate replacement in order to reduce the UHI impact.

Item Type: Conference or Workshop Item (Lecture)
Uncontrolled Keywords: asphalt pavement; aggregate replacement; waste materials
Subjects: T Technology > TE Highway engineering. Roads and pavements
Faculty/Division: Faculty of Civil Engineering & Earth Resources
Depositing User: PM Dr. Ramdhansyah Putra Jaya
Date Deposited: 18 Mar 2019 07:37
Last Modified: 18 Mar 2019 07:37
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