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Hou Li, Zhao Zhi, Lu Zhongyuan, Song Lixian, Peng Hong, Chen Peijun, Li Jun. Mix design of AC-13 asphalt concrete with circulating fluidized bed combustion ash[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1505-1509.
Citation: Hou Li, Zhao Zhi, Lu Zhongyuan, Song Lixian, Peng Hong, Chen Peijun, Li Jun. Mix design of AC-13 asphalt concrete with circulating fluidized bed combustion ash[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1505-1509.
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Mix design of AC-13 asphalt concrete with circulating fluidized bed combustion ash

  • 1.

    State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, Southwest University of Science and Technology, Mianyang 621010, China

  • 2.

    China Railway No.8 Engineering Group Co. Ltd., Chengdu 610036, China

  • Received Date: 01/11/2012
    Accepted Date: 15/08/2012
    Available Online: 09/04/2013
    Fund Project:
  • As a solid waste generated by circulating fluidized bed combustion, circulating fluidized bed combustion fly ash (CFBA) has characteristics of self-harding, pozzolanic activity and expansibility. In this study, CFBA was used to prepare asphalt concrete mixtures with mineral powder replacement ratio of 0%, 25%, 50%, 75% and 100%, respectively. The properties of these asphalt concretes were researched through Marshall tests, and the mechanism was also analyzed. Results showed that asphalt mixture with different percentages of CFBA could meet the demand of the current standard in certain asphalt-aggregate ratio range. Compared with the limestone dust asphalt mixture, CFBA asphalt mixture had better water stability and resistance to rutting at the same compaction degree.
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Mix design of AC-13 asphalt concrete with circulating fluidized bed combustion ash

  • Received Date: 01/11/2012
  • Accepted Date: 15/08/2012
  • Available Online: 09/04/2013
Fund Project:

Abstract: As a solid waste generated by circulating fluidized bed combustion, circulating fluidized bed combustion fly ash (CFBA) has characteristics of self-harding, pozzolanic activity and expansibility. In this study, CFBA was used to prepare asphalt concrete mixtures with mineral powder replacement ratio of 0%, 25%, 50%, 75% and 100%, respectively. The properties of these asphalt concretes were researched through Marshall tests, and the mechanism was also analyzed. Results showed that asphalt mixture with different percentages of CFBA could meet the demand of the current standard in certain asphalt-aggregate ratio range. Compared with the limestone dust asphalt mixture, CFBA asphalt mixture had better water stability and resistance to rutting at the same compaction degree.

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