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    Effect of Flyash on Post-Cyclic Behavior of Sand

    Access Status
    Fulltext not available
    Authors
    Keramatikerman, M.
    Chegenizadeh, Amin
    Nikraz, Hamid
    Date
    2018
    Type
    Journal Article
    
    Metadata
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    Citation
    Keramatikerman, M. and Chegenizadeh, A. and Nikraz, H. 2018. Effect of Flyash on Post-Cyclic Behavior of Sand. Journal of Earthquake Engineering.
    Source Title
    Journal of Earthquake Engineering
    DOI
    10.1080/13632469.2018.1494643
    ISSN
    1363-2469
    School
    School of Civil and Mechanical Engineering (CME)
    URI
    http://hdl.handle.net/20.500.11937/69985
    Collection
    • Curtin Research Publications
    Abstract

    This study focused on investigating the effect of FA addition on the post-cyclic behavior of sand by performing a series of undrained post-cyclic monotonic triaxial compression tests. The effect of four FA contents (i.e., 0, 2, 4, and 6% by dry weight), three pre-consolidation relative densities (i.e., 20, 40, and 60%), and three initial mean effective stresses (i.e., 50, 70, and 90 kPa) were investigated. To conduct the post-cyclic tests, initially the cyclic loadings were applied until desired pore water pressure ratio (ru) values, and then the post-cyclic test was initiated. Also, a series of undrained monotonic triaxial tests were conducted to investigate the effect of zero pore water pressure ratio (ru = 0). The results showed that increasing the FA content is effective to increase the ultimate deviatoric strength (qu) of the sand. Also, investigations showed that the FA-treated specimens have a greater quvalue at a higher relative density and lower initial mean effective stress.

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