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Characteristics of rejuvenated bitumen with used lubricating oil as rejuvenating agent

A Zamhari, Kemas and Hermadi, Madi and Choy Fun, Wai (2009) Characteristics of rejuvenated bitumen with used lubricating oil as rejuvenating agent. In: International Conference on Sustainable Infrastructure and Built Environment in Developing Countries, 2-3 November 2009, Bandung, West Java, Indonesia.


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World wide motor vehicles require million of gallons of lubricating oil. The used lubricating oil generates waste disposal problem because improperly disposed of used oil may contaminate the environment. On the other hand, each year billions of dollars are spent on the road maintenance and rehabilitation. Reclaimed asphalt pavement is among the best option for road maintenance in term of construction sustainability. The technique requires the use of asphalt rejuvenator to revive the aging bitumen. A study is carried out to assess technical viability of using used lubricating oil as rejuvenator. The study aims (i) to identify the properties of typically available used lubricating oil and the requirement for standard bitumen rejuvenating agent; (ii) to determine appropriate methods to improve the characteristics of used oil in fulfilling the rejuvenator standard and (Hi) to assess the laboratory performance of reclaiming asphalt with used lubricating oil as rejuvenator. Only the first two are discussed in this paper. The bitumen used in this study is penetration grade 80/100. The bitumen was artificially aged so that the characteristics of bitumen before and after ageing could be identified and compared. A series of chemical, physical and rheological tests related to standard for rejuvenator were carried out to recognize the characteristics of used oil. The result indicates that, technically, used lubricating oil can be used as rejuvenating agent in reclaiming asphalt pavement. However, for a safe handling during asphalt mixing operation, the flash point of the used oil should be increased.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: reclaimed asphalt; rejuvenator; used lubricating oil
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Depositing User: Khairunnisa Ahmad
Date Deposited: 04 Oct 2011 08:26
Last Modified: 04 Oct 2011 08:26
URI: http://eprints.uthm.edu.my/id/eprint/1949
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