Short term and long term aging effects of modified rubber polymer asphalt binder

Putra Jaya, Ramadhansyah and E., Shaffie and J., Ahmad and A. K., Arshad (2018) Short term and long term aging effects of modified rubber polymer asphalt binder. In: 5th International Conference on Science and Social Research (CSSR2018), 5th-6th December 2018 , Kota Kinabalu, Sabah, Malaysia. pp. 1-8.. (Unpublished)

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This paper presents a laboratory study on the effect of short term and long term aging of modified rubber polymer binder (MRB). Nowadays, the conventional asphalt binder from refining process of crude oil was used in pavement construction. However, due to aging process, asphalt binder becomes stiff and brittle which will eventually lead premature failures in pavement. The rheological effect of aging modified asphalt binder was evaluated through Rotational Viscometer (RV) and Dynamic Shear Rheometer (DSR) tests. The conventional asphalt binder was blended with 0%, 2%, 4% and 6% rubber polymer by weight of asphalt binder. The samples were tested and evaluated for rutting resistance, G*/sin (δ) and fatigue resistance, G*sin (δ) characteristics. Results showed that the there is an increase in viscosity for MRB asphalt binder. Meanwhile, based on the rheological performance analysis with DSR, MRB has significantly increase the rutting (G*/sin) and fatigue G*sin (δ) resistance. As a conclusion, results showed that the MRB can enhance the asphalt pavement performance.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Modified asphalt binder; Rheology; Aging; Dynamic shear rheometer; Long term aging
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: 10 Jun 2019 06:45
Last Modified: 10 Jun 2019 06:45
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