An effective numerical model for reinforced concrete beams strengthened with high performance fibre reinforced cementitious composites

Lin, X and Gravina, R 2017, 'An effective numerical model for reinforced concrete beams strengthened with high performance fibre reinforced cementitious composites', Materials and Structures, vol. 50, 212, pp. 1-13.


Document type: Journal Article
Collection: Journal Articles

Title An effective numerical model for reinforced concrete beams strengthened with high performance fibre reinforced cementitious composites
Author(s) Lin, X
Gravina, R
Year 2017
Journal name Materials and Structures
Volume number 50
Article Number 212
Start page 1
End page 13
Total pages 13
Publisher Springer
Abstract The use of high performance fibre reinforced cementitious composites (HPFRCC) as a strengthening material for reinforced concrete (RC) structures is promising due to their compatible mechanical and physical properties, especially their pseudo strain hardening behaviour in tension. At present, most research on HPFRCC has focused on the material behaviour, investigations of structural behaviour of components strengthened using HPFRCC are scarce. In this paper, a 3D finite element model is developed using LS-DYNA implicit for the analysis of RC beams strengthened with HPFRCC. The material model for HPFRCC is calibrated based on the available experimental data. The pseudo strain hardening behaviour is accurately captured, and the appropriate failure criteria for HPFRCC are selected. The developed numerical model and modelling technique are validated by comparing the predicted results with test data from literature.
Subject Structural Engineering
Keyword(s) Finite element model
High performance fibre reinforced cementitious composites
Pseudo strain hardening
Strengthening material
DOI - identifier 10.1617/s11527-017-1085-8
Copyright notice © RILEM 2017
ISSN 1871-6873
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Created: Wed, 13 Sep 2017, 13:17:00 EST by Catalyst Administrator
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