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    The Behavior of Rectangular and Circular Reinforced Concrete Columns Under Biaxial Multiple Excitation

    Mohammad Reza Salami1,*, Ebrahim Afsar Dizaj2, Mohammad Mehdi Kashani3

    CMES-Computer Modeling in Engineering & Sciences, Vol.120, No.3, pp. 677-691, 2019, DOI:10.32604/cmes.2019.05666

    Abstract The aim of this study is to investigate the dynamic performance of rectangular and circular reinforced concrete (RC) columns considering biaxial multiple excitations. For this purpose, an advanced nonlinear finite element model which can simulate various features of cyclic degradation in material and structural components is used. The implemented nonlinear fiber beam-column model accounts for inelastic buckling and low-cycle fatigue degradation of longitudinal reinforcement and can simulate multiple failure modes of RC columns under dynamic loading. Hypothetical rectangular and circular columns are used to investigate the failure modes of RC columns. A detailed ground motion selection is implemented to generate… More >

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