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Computers and Concrete
  Volume 13, Number 3, March 2014 , pages 343-359

An efficient numerical simulation of the cyclic loading experiments on RC structures
Georgios Ch. Lykidis and Konstantinos V. Spiliopoulos

    In this work a numerical method to simulate the response of reinforced concrete structures subject to cyclically imposed displacements is proposed. The method consists of a combination of a displacement and load controlled version of the Newton–Raphson iterative technique, used for the loading and the unloading part of the cycles respectively. The whole procedure is combined with a relatively simple concrete model whose only material parameter is its uniaxial compressive strength. The proposed methodology may realistically simulate, in an easy way, the physical process of any experimentally tested RC structure under imposed displacements cycles. The efficiency of the approach is demonstrated through a series of analyses of experimentally tested specimens reported in the literature.
Key Words
    reinforced concrete, nonlinear analysis, cyclic loading, smeared crack model, 3D solid finite element
Georgios Ch. Lykidis and Konstantinos V. Spiliopoulos: Institute of Structural Analysis and Antiseismic Research, National Technical University of Athens,
Department of Civil Engineering, Zografou Campus, Zografou 157–73, Athens, Greece

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