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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 106
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY
Edited by:
Paper 111

Three-Dimensional Simulation of Fibre Reinforced Polymer Jacket for Concrete Columns

G. Mazzucco, C. Pellegrino, V.A. Salomoni and C. Majorana

Department of Civil, Environmental and Architectural Engineering, University of Padova, Italy

Full Bibliographic Reference for this paper
G. Mazzucco, C. Pellegrino, V.A. Salomoni, C. Majorana, "Three-Dimensional Simulation of Fibre Reinforced Polymer Jacket for Concrete Columns", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 111, 2014. doi:10.4203/ccp.106.111
Keywords: fibre reinforced polymer jacket, three-dimensional model, finite element model..

Summary
In recent years, the practice of repairing existing structures with externally bonded composite materials has significantly increased, thus leading to rising scientific interest in the behaviour of this kind of reinforcement. In this paper the mechanical behaviour of concrete columns externally tied with fibre reinforced polymer plies subject to monotonic compression loads is numerically evaluated, taking into account different cross sections, including internal steel bars. A modified isotropic damage law has been developed to consider the confinement effects within concrete. The behaviour of the internal steel bars is simulated by considering an elasto-plastic formulation; on the other side the fibre reinforced polymer bonding is analyzed by using a contact-damage algorithm. Three-dimensional finite element models created to obtain the response of the columns when subjected to compression loads, in terms of axial and transversal stress-strain relationships. Numerical results have been calibrated and finally validated with experimental data, thus confirming a good approximation of the numerical approach used.

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