Journal
COMPUTERS & STRUCTURES
Volume 79, Issue 32, Pages 2781-2791Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0045-7949(01)00157-2
Keywords
beams; computer code; concrete; constitutive laws; finite element; shear modulus; shear walls; structures; reinforced concrete; constitutive model
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Nonlinear finite element analysis was applied to various types of reinforced concrete structures using a new set of constitutive models established in the fixed-angle softened-truss model (FA-STM). A computer code FEAPRC was developed specifically for application to reinforced concrete structures by modifying the general-purpose program FEAR FEAPRC can take care of the four important characteristics of cracked reinforced concrete: (1) the softening effect of concrete in compression, (2) the tension-stiffening effect by concrete in tension, (3) the average (or smeared) stress-strain curve of steel bars embedded in concrete, and (4) the new, rational shear modulus of concrete. The predictions made by FEAPRC are in good agreement with the experimental results of beams, panels, and framed shear walls. (C) 2001 Elsevier Science Ltd. All rights reserved.
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