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A comparative study of anti-stripping additives in porous asphalt mixtures

Aman, Mohamad Yusri and Shahadan, Zulkurnain and Mat Noh, Mohd Zaime (2014) A comparative study of anti-stripping additives in porous asphalt mixtures. Jurnal Teknologi, 70 (7). pp. 139-145. ISSN 2180-3722


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Presence of water in porous asphalt mixtures detrimentally affected the bonding between binder-aggregate interface and cohesive failure within the binder-filler mastic, making them prone to stripping which contribute to the performance and durability. This paper presents the effect of anti-stripping additives in porous asphalt mixes. In this study, the Marshall specimens were prepared using quarry dust, ordinary Portland Cement (OPC) and Pavement Modifier (PMD) as filler then mixed with 60/70 penetration grade bitumen. The specimens were measured for air voids content and coefficient of permeability and subsequently tested using indirect tensile and Cantabro tests. The moisture sensitivity of porous asphalt was determined based on the ratio of dry and conditioned specimens according to AASHTO T283. The specimens prepared with PMD showed lower air voids content, hence decrease the permeability to give a higher tensile strength and lower abrasion loss compared to specimens prepared with OPC and quarry dust. Based on the results, the PMD filler has a great potential to improve resistance to moisture damage compared to mixes with OPC and specimens prepared with quarry dust fillers.

Item Type: Article
Uncontrolled Keywords: porous asphalt; stripping; anti-stripping additive; moisture sensitivity; adhesion
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Divisions: Faculty of Civil and Environmental Engineering > Department of Infrastructure and Geomatic Engineering
Depositing User: Normajihan Abd. Rahman
Date Deposited: 21 Jan 2015 06:38
Last Modified: 21 Jan 2015 06:38
URI: http://eprints.uthm.edu.my/id/eprint/6266
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