<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Modelling concrete columns confined with fiber-reinforced polymer (FRP) using finite element (FEM) analysis is a difficult task due to the need for precise definition of material and interaction parameters. The inclusion of FRP confinement in composites introduces complexities in representing the volumetric behavior of concrete under triaxle stress conditions. The behavior of confined concrete differs from that of non-confined concrete due to the passive nature of FRP confinement, requiring consideration of flow rules, damage parameters, strain hardening/softening constitutive relationships, and a pressure-dependent yield criterion. This project aims to address these challenges by proposing a modified plastic damage model, a concrete dilation model, and a new set of concrete hardening/softening rules using the advanced FE program ABAQUS CAE. The FE model’s strengths and limitations are evaluated by comparing it with experimental results from this project, as well as other findings from literature, including both experimental and analytical studies.</p>
</abstract>

Modelling concrete columns confined with fiber-reinforced polymer (FRP) using finite element (FEM) analysis is a difficult task due to the need for precise definition of material and interaction parameters. The inclusion of FRP confinement in composites introduces complexities in representing the volumetric behavior of concrete under triaxle stress conditions. The behavior of confined concrete differs from that of non-confined concrete due to the passive nature of FRP confinement, requiring consideration of flow rules, damage parameters, strain hardening/softening constitutive relationships, and a pressure-dependent yield criterion. This project aims to address these challenges by proposing a modified plastic damage model, a concrete dilation model, and a new set of concrete hardening/softening rules using the advanced FE program ABAQUS CAE. The FE model’s strengths and limitations are evaluated by comparing it with experimental results from this project, as well as other findings from literature, including both experimental and analytical studies.

3D Finite Element Modelling of FRP Confined Concrete Column

Faculty of Architectural and Civil Engineering, Obuda University

YBL Journal of Built Environment

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"3D Finite Element Modelling of FRP Confined Concrete Column"}

Modelling concrete columns confined with fiber-reinforced polymer (FRP) using finite element (FEM) analysis is a difficult task due to the need for precise...

3D Finite Element Modelling of FRP Confined Concrete Column

Published Online: Jun 22, 2024

Page range: 1 - 8

DOI: https://doi.org/10.2478/jbe-2024-0001

Keywords
Finite element, fiber-reinforced polymer, FE program ABAQUS CAE

© 2024 Bakhtyar Saleh Ahmmad et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

3D Finite Element Modelling of FRP Confined Concrete Column

Published Online: Jun 22, 2024

Page range: 1 - 8

DOI: https://doi.org/10.2478/jbe-2024-0001

KeywordsFinite element, fiber-reinforced polymer, FE program ABAQUS CAE

© 2024 Bakhtyar Saleh Ahmmad et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
Finite element, fiber-reinforced polymer, FE program ABAQUS CAE