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    Volume 46, Issue 1

    Shear Transfer in Normal- and High-Strength Recycled Aggregate Concrete

    (Received 29 March 2016; accepted 2 November 2016)

    Published Online: 2017

    CODEN: JTEOAD

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    Abstract

    Shear strength of interfaces in virgin aggregate and in recycled aggregate concrete has been investigated using initially uncracked pushoff specimens by varying the following parameters: replacement level of the recycled aggregates (0 %, 50 %, and 100 %), concrete grade (normal strength and high strength) and the clamping force on the shear plane. The experimentally observed crack patterns in the pushoff specimens were indicative of the development of truss action for resisting interface shear. A truss-based analysis recommended in the literature, in combination with a simplified failure envelope for concrete subjected to biaxial stresses, has been used for shear-strength prediction of both the concrete types. The proposed methodology has been calibrated, with the help of the experimental results, to obtain a nominal distribution of shear stresses across the slip plane and conservative and reasonably accurate shear-strength predictions were noted for the selected experimental results taken from the literature.

    Author Information:

    Waseem, S. A.
    Department of Civil Engineering, Indian Institute of Technology Roorkee, RoorkeeHaridwar, Uttarakhand

    Singh, B.
    Department of Civil Engineering, Indian Institute of Technology Roorkee, RoorkeeHaridwar, Uttarakhand


    Stock #: JTE20160184

    ISSN:0090-3973

    DOI: 10.1520/JTE20160184

    Author
    Title Shear Transfer in Normal- and High-Strength Recycled Aggregate Concrete
    Symposium ,
    Committee C09