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    Experimental validation of a low-invasive seismic retrofit solution for under-designed reinforced concrete frame system

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    Author
    Pampanin, S.
    Christopoulos, C.
    Date
    2005
    Permanent Link
    http://hdl.handle.net/10092/191

    The feasibility and efficiency of a low-invasive seismic retrofit solution for existing reinforced concrete frame systems, designed before the introduction of modem seismic-oriented design codes in the mid 1970s are herein experimentally investigated. A diagonal metallic haunch system is introduced at the beam-column connections to protect the joint panel zone from extensive damage and brittle shear mechanism while inverting the hierarchy of strength within the beam-column subassemblies and forming a plastic hinge in the beam. The experimental results from cyclic quasistatic tests on 2/3 scaled beam-column subassemblies in as-built and retrofitted configurations provided validated the conceptual design and practical implementation of the overall retrofit strategy.

    Subjects
    Existing buildings
     
    Non-seismically designed
     
    Shear hinging
     
    Beam-column joints
     
    Noninvasive
     
    Seismic retrofit
     
    Fields of Research::290000 Engineering and Technology::290800 Civil Engineering::290801 Structural engineering
    Collections
    • Engineering: Conference Contributions [1920]
    Rights
    https://canterbury.libguides.com/rights/ir

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