The performance of Epoxidised Natural Rubber modified asphalt using nano-alumina as additive

Ramez A. Al-Mansob, Amiruddin Ismail, Riza Atiq Abdullah O.K. Rahmat, Muhamad Nazri Borhan, Jamal M.A. Alsharef, Shaban Ismael Albrka, Mohamed Rehan Karim

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Polymers are commonly used for improving the physical and rheological properties of asphalt. Several methods have been suggested to increase the compatibility between polymers and asphalt. Adding of nanoparticles to asphalt can improve the performance of polymer modified asphalt. This study is about evaluating the performance of Epoxidised Natural Rubber (ENR) modified asphalt using nanoalumina (Al2O3) as Additive. In this study, an ultrasonic device was used to disperse Al2O3 at 2, 4, and 6 wt% into base asphalt (BA) and ENR using a high shear mixer. The effects of Al2O3 addition on the base asphalt and Epoxidised Natural Rubber modified asphalt (ENRMA) were then investigated, including the physical properties, storage stability, rheological properties and microstructure of the binders. High compatibility between Al2O3 and ENR led to a better dispersion of ENR in the asphalt, improving the rheological properties of the binder. Based on dynamic shear rheometry tests, Al2O3 reduces the temperature susceptibility of the asphalt and facilitated polymeric modification by improving the compatibility, increasing the viscosity, stiffness, adhesion and elastic behaviour of the binders. Al2O3 also improved the rutting resistance behaviour at high temperatures. The best results were recorded for polymer-modified asphalt containing 6% Al2O3 compared to the base asphalt without any Al2O3.

Original languageEnglish
Pages (from-to)680-687
Number of pages8
JournalConstruction and Building Materials
Volume155
DOIs
Publication statusPublished - 30 Nov 2017

Fingerprint

asphalt
Aluminum Oxide
Rubber
Asphalt
Alumina
Polymers
Binders
Ultrasonic devices

Keywords

  • Adhesion
  • Compatibility
  • ENR
  • Nanoalumina
  • Rheology
  • Rutting
  • Storage stability
  • Temperature susceptibility

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

Cite this

The performance of Epoxidised Natural Rubber modified asphalt using nano-alumina as additive. / Al-Mansob, Ramez A.; Ismail, Amiruddin; O.K. Rahmat, Riza Atiq Abdullah; Borhan, Muhamad Nazri; Alsharef, Jamal M.A.; Albrka, Shaban Ismael; Karim, Mohamed Rehan.

In: Construction and Building Materials, Vol. 155, 30.11.2017, p. 680-687.

Research output: Contribution to journalArticle

Al-Mansob, Ramez A. ; Ismail, Amiruddin ; O.K. Rahmat, Riza Atiq Abdullah ; Borhan, Muhamad Nazri ; Alsharef, Jamal M.A. ; Albrka, Shaban Ismael ; Karim, Mohamed Rehan. / The performance of Epoxidised Natural Rubber modified asphalt using nano-alumina as additive. In: Construction and Building Materials. 2017 ; Vol. 155. pp. 680-687.
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