Nonlinear finite element analysis of concrete deep beams

A. Fafitis, Y. H. Won

    Research output: Contribution to journalArticle

    8 Citations (Scopus)

    Abstract

    The salient features and concepts of a model developed recently are reviewed. The parameters of the model are the peak compressive stress of concrete, initial elastic modulus, and tangential Poisson's ratio. The peak stress is assumed equal to the compressive strength of standard cylindrical concrete specimens, the Poisson's ratio is calculated by a proposed empirical equation. Predictions of the model compare favorably with experimental data on small specimens reported by various investigators. The model was implemented with the finite element method and several deep beams were analyzed and compared with experimental data. The strain softening characteristics of the model allowed satisfactory predictions of the response up to failure. The areas where cracks developed and the propagation of the crack zones up to the final collapse of the beam were predicted and compared with experimental data. Finally the model was used to predict the behavior of square panels subjected to in-plane axial and shear forces as well as pure shear. The predictions are satisfactory.

    Original languageEnglish (US)
    Pages (from-to)1202-1220
    Number of pages19
    JournalJournal of structural engineering New York, N.Y.
    Volume120
    Issue number4
    StatePublished - Apr 1994

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    Concretes
    Finite element method
    Poisson ratio
    Cracks
    Compressive stress
    Compressive strength
    Crack propagation
    Elastic moduli

    ASJC Scopus subject areas

    • Civil and Structural Engineering
    • Building and Construction

    Cite this

    Nonlinear finite element analysis of concrete deep beams. / Fafitis, A.; Won, Y. H.

    In: Journal of structural engineering New York, N.Y., Vol. 120, No. 4, 04.1994, p. 1202-1220.

    Research output: Contribution to journalArticle

    Fafitis, A. ; Won, Y. H. / Nonlinear finite element analysis of concrete deep beams. In: Journal of structural engineering New York, N.Y. 1994 ; Vol. 120, No. 4. pp. 1202-1220.
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