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Structural Engineering and Mechanics
  Volume 25, Number 1, January10 2007, pages 75-89

Lateral force-displacement ductility relationship of non-ductile squat RC columns rehabilitated using FRP confinement
K. Galal

    Post-earthquake reconnaissance and experimental research indicate that squat reinforced concrete (RC) columns in existing buildings or bridge piers are vulnerable to non-ductile shear failure. Recently, several experimental studies were conducted to investigate upgrading the shear resistance capacity of such columns in order to modify their failure mode to ductile one. Among these upgrading methods is the use of fibre-reinforced polymer (FRP) jackets. One of the preferred analytical tools to simulate the response of frame structures to earthquake loading is the lumped plasticity macromodels due to their computational efficiency and reasonable accuracy. In these models, the columns
Key Words
    ductility; rehabilitation; FRP; reinforced concrete; squat columns; non-ductile; shear; force-displacement.
Department of Building, Civil and Environmental Engineering, Concordia University, Montr?al, Qu?bec, Canada H3G 1M8

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