The performance characteristics of stone mastic asphalt mixtures using oil palm fruit ash-modified bitumen

Gatot Rusbintardjo, Mohd Rosli Hainin, Muhammad Ali Mubaraki, Nur Izzi Md Yusoff

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This study was conducted to investigate the use of oil palm fruit ash-modified bitumen (OPFA-MB) as a binder in stone-mastic asphalt (SMA) mixtures. The OPFA was used to take advantage of a waste by-product of the palm oil milling industry which could help to reduce environmental pollution. Binder tests such as penetration, softening point, viscosity, storage stability, dynamic shear rheometer (DSR), bending beam rheometer (BBR), and the direct tension test (DTT) were conducted on both unmodified and OPFA-modified bitumens. It was found that the properties of unmodified bitumen improve when OPFA is added. In addition, several asphalt mixture tests, including the Marshall Stability test, indirect tensile modulus resilience test, static uniaxial creep test, wheel tracking test, static-immersion and boiling water test, and drain-down test, were also performed on SMA mixes. The presence of OPFA was observed to enhance the stability, resilient modulus, and rut resistance of SMA mixes compared to the unmodified bitumen. This material was also found to be a good alternative material for fiber replacement in SMA mixes.

Original languageEnglish
Pages (from-to)227-236
Number of pages10
JournalInternational Journal of Pavement Research and Technology
Volume7
Issue number4
DOIs
Publication statusPublished - 2014

Fingerprint

Ashes
Mastic asphalt
Asphalt mixtures
Palm oil
Fruits
Rheometers
Binders
Boiling liquids
Byproducts
Wheels
Creep
Pollution
Elastic moduli
Viscosity
Fibers
Water
Industry

Keywords

  • Adhesive
  • Oil palm fruit ash
  • Resilient modulus
  • Rheology
  • Rutting
  • Stone mastic asphalt mixture

ASJC Scopus subject areas

  • Mechanics of Materials
  • Civil and Structural Engineering

Cite this

The performance characteristics of stone mastic asphalt mixtures using oil palm fruit ash-modified bitumen. / Rusbintardjo, Gatot; Rosli Hainin, Mohd; Ali Mubaraki, Muhammad; Md Yusoff, Nur Izzi.

In: International Journal of Pavement Research and Technology, Vol. 7, No. 4, 2014, p. 227-236.

Research output: Contribution to journalArticle

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