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Modeling Restrained Shrinkage-Induced Cracking in concrete elements using the Thick Level Set approach

Author(s): Rebecca Nakhoul, Olivier Pierard
Paper category: Proceedings
Book title: Proceedings of the 2nd International RILEM/COST Conference on Early Age Cracking and Serviceability in Cement-based Materials and Structures Volume 2
Editor(s): Stéphanie Staquet and Dimitrios Aggelis
Publisher: RILEM Publications SARL
Publication year: 2017
Pages: 653-658
Total Pages: 6
Language : English

Abstract: Modeling restrained shrinkage induced damage and cracking in concrete is addressed herein. Shrinkage is a volumetric change, considered for now as a mean shrinkage value, provided either by semi-analytical models or by experimental measurements. In the presented study, the novel thick level set (TLS) damage growth and crack propagation model [1-3] 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. Key results are then compared to experimental results issued from elliptical rings benchmarks found in the literature [4-5]. Ideas for future generalization and enrichment are proposed accordingly.

Online publication : 2017
Publication type : full_text
Public price (Euros) : 0.00

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