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Performance of asphaltic concrete containing black rice husk ash at different aging

Putra Jaya, Ramadhansyah and Noor Azlan, A. and Haryati, Yaacob and Mohd Rosli, Hainin and Norhidayah, Abdul Hassan (2018) Performance of asphaltic concrete containing black rice husk ash at different aging. In: 5TH International Congress on Technology - Engineering & Science, 5th-6th August 2018 , Kuala Lumpur. pp. 1-7.. (Unpublished)

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Abstract

The scarcities of natural resources and increment in the waste production rates have promoted efforts to investigate the potential incorporation of various by-products in roads construction and maintenance. Various types of waste materials have been investigated, assessed and evaluated for utilizations and practiced in the industry. Reusing of waste materials such as black rice husk ash (BRHA) in asphaltic concrete (AC) were considered as one of the proper management of the waste, which ensure economic and environmental benefits. This study was investigated BRHA effects on the properties and performance of asphalt mixture under different aging condition. The BRHA was added in the AC14 mixture in a proportion of 0%, 2%, 4% and 6% by weight of bitumen. The optimum bitumen content was 5% and the bitumen used was 60/70 penetration grades. The asphalt mixture for each fraction was prepared in three different aging conditions i.e. un-aging (UA), short term aging (STA) and long term aging (LTA). The performance of the asphalt mixtures were evaluated by Marshall stability and resilient modulus. The results indicate that asphalt mixtures consisting of BRHA have exhibited better performance in term of stability and resilient modulus when compared to the conventional asphalt mixtures. The short term and long term aging mixtures considerably produced higher performance than the un-aging mixtures. But, the long-term aging better performance than of the short-term aging mixtures. Finally, the optimum additional percentage of BRHA was in the range of 4 – 6% since its produce excellent values in most circumstances.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Waste materials; Black rice husk ash (BRHA); Asphalt
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: 08 Apr 2019 04:32
Last Modified: 08 Apr 2019 04:32
URI: http://umpir.ump.edu.my/id/eprint/23170
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