Volume 2, Issue 1

    Influence of Reinforcement Characteristics on Non-Linear Performance Evaluation of Confined Beam-Column Joints Under Cyclic Loading

    (Received 24 June 2012; accepted 24 April 2013)

    Published Online: 2013

    CODEN: ACEMOAD

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    Abstract

    The non-linear performance of beam-column joint specimens with different types of reinforcement (thermo-mechanically treated [TMT] and twisted ore reinforced [TOR]) has been evaluated under cyclic loading. A number of parametric variations in the preparation of joints, such as the type of reinforcement, the percentage of reinforcement, and the effect of confinement, have been studied. Comparative cyclic test results have been plotted in the form of hysteresis behavior, envelope of load deformation curves, cumulative energy dissipation curves, strength and stiffness decay curves, etc. The effects of types of reinforcement and confinement of beam-column joint specimens possessing the same percentage of reinforcement have been clearly manifested in non-linear performance evaluation parameters. The energy dissipation in beam-column joint specimens increases with the percentage of reinforcement, but it also decreases as the reinforcement characteristics change from ductile to brittle. A higher over-strength ratio has been observed in joint specimens with TOR reinforcement than in specimens with TMT reinforcement. The post-elastic stiffness degradation is lower in specimens with TMT reinforcement than in specimens with TOR reinforcement over a constant post-elastic drift.


    Author Information:

    Surya Kumar Dadi, V. V. S.
    Assistant Professor, Dept. of Civil Engineering, Institute of Technology, Guru Ghasidas Vishwavidyalaya, Bilaspur, (C.G.)

    Agarwal, Pankaj
    Associate Professor, Dept. of Earthquake Engineering, IIT Roorkee, Roorkee,


    Stock #: ACEM20120020

    ISSN: 2165-3984

    DOI: 10.1520/ACEM20120020

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    Author
    Title Influence of Reinforcement Characteristics on Non-Linear Performance Evaluation of Confined Beam-Column Joints Under Cyclic Loading
    Symposium , 0000-00-00
    Committee C09