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Appl. Sci. 2018, 8(4), 488; https://doi.org/10.3390/app8040488

Modeling Restrained Shrinkage Induced Cracking in Concrete Rings Using the Thick Level Set Approach

CENAERO, Computational Multiphysics Software Development Team, Bâtiment Eole, 29 rues des Frères Wright, B-6041 Gosselies, Belgium
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Received: 27 February 2018 / Revised: 19 March 2018 / Accepted: 21 March 2018 / Published: 23 March 2018
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Abstract

Modeling restrained shrinkage-induced damage and cracking in concrete is addressed herein. The novel Thick Level Set (TLS) damage growth and crack propagation model is used and adapted by introducing shrinkage contribution into the formulation. The TLS capacity to predict damage evolution, crack initiation and growth triggered by restrained shrinkage in absence of external loads is evaluated. A study dealing with shrinkage-induced cracking in elliptical concrete rings is presented herein. Key results such as the effect of rings oblateness on stress distribution and critical shrinkage strain needed to initiate damage are highlighted. In addition, crack positions are compared to those observed in experiments and are found satisfactory. View Full-Text
Keywords: restrained shrinkage; elliptical rings; concrete damage and cracking; numerical modeling; thick level set approach restrained shrinkage; elliptical rings; concrete damage and cracking; numerical modeling; thick level set approach
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Nakhoul, R.; Pierard, O. Modeling Restrained Shrinkage Induced Cracking in Concrete Rings Using the Thick Level Set Approach. Appl. Sci. 2018, 8, 488.

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