Performance properties of asa polymer modified asphalt binders and mixtures

Shaban Ismael Albrka, Amiruddin Ismail, Nur Izzi Md Yusoff, Dhawo Ibrahim Alhamali, Allam Musbah

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Asphalt is commonly used as a binder in the construction of highways and runways, due to its good viscoelastic properties, natural asphalt cement does not have sufficient strength to resist sudden stresses of excessive loading or stress from low and high temperatures. Therefore, modification of asphalt is necessary in order to improve its material temperature sensitivity, adhesion, durability, oxidation and aging resistance. The property of base asphalt and polymer modified asphalt binders and mixtures has been characterized using the conventional tests and dynamic creep tests. It has been found that, the addition of Acrylate Styrene Acrylonhrtilrei (ASA) polymer content has magnificent influence on the properties of the asphalt binders and mixtures. The temperature susceptibility of modified asphalt binders was reduced compared with base asphalt binder as the penetration increase and softening point decrease. The reduction in penetration was up to 69%, while the improvement in softening point was up to 19%. Moreover, it was approved from the storage stability test that, the ASA polymer has a great compatibility with asphalt binder up to 5% ASA. In addition, it was observe reduction in permanent deformation of modified asphalt mixtures with increase of modifier up to 5% ASA, which lead to better resistance to rutting at high temperatures, and the reduction was up to 36%. As a result, the modification of asphalt binder and mixture with ASA polymer can be considered a proper alternative technique to improve the properties of asphalt binder and mixture and 5% ASA was the optimum content of the modifier.

Original languageEnglish
Pages (from-to)1155-1164
Number of pages10
JournalJournal of Engineering Science and Technology
Volume11
Issue number8
Publication statusPublished - 1 Aug 2016

Fingerprint

Asphalt
Binders
Polymers
Styrene
Temperature
Asphalt mixtures
Cements
Creep
Durability
Adhesion
Aging of materials
Oxidation

Keywords

  • ASA polymer
  • Permanent deformation and dynamic creep
  • Polymer modified binders
  • Storage stability

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Performance properties of asa polymer modified asphalt binders and mixtures. / Albrka, Shaban Ismael; Ismail, Amiruddin; Md Yusoff, Nur Izzi; Alhamali, Dhawo Ibrahim; Musbah, Allam.

In: Journal of Engineering Science and Technology, Vol. 11, No. 8, 01.08.2016, p. 1155-1164.

Research output: Contribution to journalArticle

Albrka, Shaban Ismael ; Ismail, Amiruddin ; Md Yusoff, Nur Izzi ; Alhamali, Dhawo Ibrahim ; Musbah, Allam. / Performance properties of asa polymer modified asphalt binders and mixtures. In: Journal of Engineering Science and Technology. 2016 ; Vol. 11, No. 8. pp. 1155-1164.
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