Computational Failure Analysis of Reinforced Concrete Plate Structuresby M. Labbane, Purdue Univ, West Lafayette, United States,
E. C. Ting, Purdue Univ, West Lafayette, United States,
C. D. Sutton, Purdue Univ, West Lafayette, United States,
Abstract: The paper summarizes our recent effort in developing a suitable finite element code for the failure prediction of reinforced concrete structures. The basis of the development is a plasticity based continuum model for the concrete behaviors and an efficient three dimensional large displacement plate finite element formulation. The presentation is divided into two parts. In the first part, we briefly summarize the implementation of a plastic-fracture concrete model and a smeared-layer reinforcement model into a multi-layered plate finite element. In the second part of the presentation, we consider the results of a series of verification studies. Several sets of reported results of reinforced concrete plate tests are compared with the predictions of our computational model. The comparisons include the load-deflection histories at different locations, the growth of micro-crack regions, the initiation of fracture cracks and their propagation through the plate at different depths.
Subject Headings: Reinforced concrete | Plates | Failure analysis | Cracking | Structure reinforcement | Finite element method | Material failures
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