Pavement performance evaluation of asphalt mixtures containing oil shale waste

Oil shale ash (OSA) is a waste or by-product material, which may cause hazards for human health and environment. The objective of this paper is to evaluate the potential of OSA as partial replacement of mineral powder in asphalt mixture. For this aim, asphalt mixtures were prepared by two types of OSA wastes as partial filler replacement and compared with the control mixtures prepared with traditional mineral filler in this paper. Marshall tests were performed to investigate the volumetric and mechanical properties of asphalt mixtures. Moreover, the pavement performance including high-temperature dynamic stability, low-temperature cracking resistance and moisture stability were conducted. Results show that all required properties and pavement performance of asphalt mixture containing OSA at the optimum asphalt content (OAC) are satisfied or even improved in comparison with ordinary asphalt mixture in accordance to Chinese standard specification. The performance of asphalt mixture containing OSA was also evaluated based on a test road. In terms of environmental and economic as well as pavement performance points of view, OSA can be used instead of partial mineral filler in asphalt mixtures.

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    • © 2018 Informa UK Limited, trading as Taylor & Francis Group. Abstract reprinted with permission of Taylor & Francis.
  • Authors:
    • Wang, Wensheng
    • Cheng, Yongchun
    • Tan, Guojin
    • Shi, Chenglin
  • Publication Date: 2020-1


  • English

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  • Accession Number: 01728114
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jan 28 2020 9:42AM