ELASTO-PLASTIC CRACKING ANALYSIS OF REINFORCED CONCRETE

This paper presents an elasto-plastic cracking constitutive model, and the following nonlinearities are considered in analysis: cracking in tension including tension softening; plasticity in compression; plasticity of reinforcing steel; nonlinearity due to bond-slip; tension stiffening; and aggregate interlock. A modified Huber-Henky-Mises criterion was formulated for biaxial compression. A modified smeared steel representation is developed so as to incorporate bond-slip through bond-link elements. A nonlinear finite element program is developed incorporating the constitutive model. Two different types of problems, one a set of four shear panels, and the other a reinforced concrete beam without shear reinforcement, are analyzed. The observed and predicted results agree well. The formulation and the numerical procedure were found to yield good results even when failure was due to bond.

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  • Accession Number: 00477913
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Dec 31 1988 12:00AM