Volume 41, Issue 3 (May 2013)

    A Study on the Residual Fatigue Strain and Damage of Steel Fiber Reinforced Recycled Concrete Under Constant Amplitude Flexural Fatigue Loading

    (Received 3 May 2012; accepted 1 November 2012)

    Published Online: 2013

    CODEN: JTEOAD

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    Abstract

    Flexural fatigue tests under constant amplitude fatigue loading were carried out in order to obtain the residual fatigue strain of two kinds of steel fiber reinforced concrete (SFRC): steel fiber reinforced recycled concrete (SFRRC) and steel fiber reinforced pebble concrete (SFRPC). The experimental results show that the residual fatigue strain of SFRC follows the three-stage law, and the residual fatigue strain of SFRRC develops more slowly than that of SFRPC at the same stress level. A residual fatigue strain equation is suggested. The fatigue damage of SFRC has also been studied. A fatigue damage evolution equation is proposed, and comparisons are made with other expressions, showing that the suggested model is in the best agreement with the experimental results.


    Author Information:

    Runnian, Yang
    School of Civil Engineering and Transportation, South China Univ. of Technology, Guangzhou, Guangdong Province

    Demin, Wei
    School of Civil Engineering and Transportation, South China Univ. of Technology, Guangzhou, Guangdong Province


    Stock #: JTE20120135

    ISSN: 0090-3973

    DOI: 10.1520/JTE20120135

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    Author
    Title A Study on the Residual Fatigue Strain and Damage of Steel Fiber Reinforced Recycled Concrete Under Constant Amplitude Flexural Fatigue Loading
    Symposium , 0000-00-00
    Committee C09