Application of Nlfea to Concrete Structures
Publication: Journal of Structural Engineering
Volume 111, Issue 12
Abstract
Nonlinear finite element analysis (NLFEA) systems are rarely used in practice for the analysis of concrete structures even though several systems have been developed to date. The main reason appears to be a lack of agreement concerning the numerical description of material behavior characteristics. A successful NLFEA system is developed by incorporating realistic descriptions of material characteristics into a basically standard nonlinear finite element package. The system applies to the analysis of concrete structures under shortterm plane stress and axisymmetric loading conditions. Simple, yet realistic, numerical models are presented to describe important features of material behavior such as failure criteria and deformational properties of concrete and steel, fracture processes of concrete and steel‐concrete interaction. Procedures to represent crack propagation in concrete appear to influence significantly the quality of predictions. Three structural configurations of known experimental performance are finally analyzed. The predictions show good agreement with the experiment which is typical of several analyses covering a wide range of concrete structural forms.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 111 • Issue 12 • December 1985
Pages: 2691 - 2707
Copyright
Copyright © 1985 ASCE.
History
Published online: Dec 1, 1985
Published in print: Dec 1985
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