Performance evaluation of asphalt mixtures containing high-RAP binder content and bio-oil rejuvenator

Ali Foroutan Mirhosseini, Seyed Amid Tahami, Inge Hoff, S. Dessouky, Chun Hsing Ho

Research output: Contribution to journalArticle

Abstract

The objective of this study was to conduct a laboratory-based research study that evaluated the performance of asphalt mixtures prepared with date seed oil (DSO) modified binders containing different amounts of Reclaimed Asphalt Pavement (RAP) binder varying from 20 to 40%. To this end, moisture susceptibility, rutting performance, stiffness modulus and fatigue resistance of the mixtures were assessed using Modified Lottman (AASHTO T283), Wheel Tracking Test (WTT), Indirect Tensile Stiffness Modulus (ITSM) and four-point beam fatigue, respectively. Regression models were provided to estimate fatigue life of the mixes. The results showed that moisture susceptibility of the mixes was slightly influenced by DSO content. Rutting performance of the mixes was deteriorated, while the addition of DSO improved fatigue life of the specimens containing 20% RAP up to 15%. However, in order to employ 40% or more of RAP binder, other alternatives should be considered.

Original languageEnglish (US)
Article number116465
JournalConstruction and Building Materials
Volume227
DOIs
StatePublished - Dec 10 2019

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Asphalt mixtures
Asphalt pavements
Oilseeds
Binders
Oils
Fatigue of materials
Moisture
Stiffness
Wheels

Keywords

  • Bio-oil rejuvenator
  • Date seed oil (DSO)
  • Four-point beam fatigue test
  • Modified Lottman test
  • Moisture susceptibility
  • Reclaimed Asphalt Pavement (RAP)
  • Stiffness modulus
  • Wheel Tracking Test

ASJC Scopus subject areas

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

Cite this

Performance evaluation of asphalt mixtures containing high-RAP binder content and bio-oil rejuvenator. / Foroutan Mirhosseini, Ali; Tahami, Seyed Amid; Hoff, Inge; Dessouky, S.; Ho, Chun Hsing.

In: Construction and Building Materials, Vol. 227, 116465, 10.12.2019.

Research output: Contribution to journalArticle

Foroutan Mirhosseini, Ali ; Tahami, Seyed Amid ; Hoff, Inge ; Dessouky, S. ; Ho, Chun Hsing. / Performance evaluation of asphalt mixtures containing high-RAP binder content and bio-oil rejuvenator. In: Construction and Building Materials. 2019 ; Vol. 227.
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