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    Bond Strength Between Cast-in-Place Ultra-High-Performance- Concrete and Glass Fibre Reinforced Polymer Plates Using Epoxy Bonded Coarse Silica Sand

    Published: 2012

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    A significant amount of attention has been directed toward the use of fibre reinforced polymer (FRP) materials in structural applications, particularly as main components in hybrid structural members. As a result, the need for an effective connection mechanism that can maintain full composite action at the interface between adjacent dissimilar materials is critical in order to achieve optimum performance of the hybrid structural members. The objective of this experimental program was to investigate the bond performance between glass fibre reinforced polymer (GFRP) plates and cast-in-place Ultra-High-Performance- Concrete (UHPC) using epoxy bonded coarse silica sand aggregates at the bond interface. Both shear and tension tests were conducted using three different types of epoxy adhesives. The general effectiveness of the connection mechanism at the bond interface as well as the relative performance of each epoxy adhesive used were investigated. Analysis showed that, of the three epoxy adhesives tested, the specimens bonded at the interface between the UHPC and GFRP plates using the moisture tolerant epoxy adhesive intended for bonding of hardened concrete and steel performed the best.


    fibre reinforced polymers, glass, Ultra-High-Performance-Concrete, bond, epoxy, silica sand, shear, tension

    Author Information:

    Chen, Donna
    Dept. of Civil Engineering, Univ. of Calgary, Calgary, Alberta

    El-Hacha, Raafat
    Dept. of Civil Engineering, Univ. of Calgary, Calgary, Alberta

    Committee/Subcommittee: C24.30

    DOI: 10.1520/STP154520120001