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Numerical study of structural behavior of fiber‐reinforced polymer‐strengthened reinforced concrete beams with bond‐slip effect under cyclic loading

Numerical study of structural behavior of fiber‐reinforced polymer‐strengthened reinforced... Two simple finite element models denoted as FEM‐B and FEM‐BC are developed in this paper to investigate the structural behavior of fiber‐reinforced polymer (FRP) strengthened reinforced concrete (RC) beams under static and cyclic loading. First, the FEM‐B is developed for analysis of FRP‐strengthened RC beams under static loading and the bond‐slip effect between FRP, adhesive and concrete is included. Then FEM‐BC is developed based on FEM‐B for analysis of structural behavior of FRP‐strengthened RC beams under cyclic loading, and degradations of material properties of concrete, steel reinforcement, and FRP due to cyclic loading are taken into account. The developed FEMs are validated against experimental results and demonstrated to be effective for structural analysis of FRP‐strengthened RC beams. Furthermore, parametric studies are carried out to learn the effects of types, thickness, and length of FRP on the structural behavior of FRP‐strengthened RC beams based on the FEM‐BC model. The research findings are summarized finally. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Structural Concrete Wiley

Numerical study of structural behavior of fiber‐reinforced polymer‐strengthened reinforced concrete beams with bond‐slip effect under cyclic loading

Structural Concrete , Volume 20 (1) – Feb 1, 2019

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References (38)

Publisher
Wiley
Copyright
"© 2019 fib. International Federation for Structural Concrete"
ISSN
1464-4177
eISSN
1751-7648
DOI
10.1002/suco.201800035
Publisher site
See Article on Publisher Site

Abstract

Two simple finite element models denoted as FEM‐B and FEM‐BC are developed in this paper to investigate the structural behavior of fiber‐reinforced polymer (FRP) strengthened reinforced concrete (RC) beams under static and cyclic loading. First, the FEM‐B is developed for analysis of FRP‐strengthened RC beams under static loading and the bond‐slip effect between FRP, adhesive and concrete is included. Then FEM‐BC is developed based on FEM‐B for analysis of structural behavior of FRP‐strengthened RC beams under cyclic loading, and degradations of material properties of concrete, steel reinforcement, and FRP due to cyclic loading are taken into account. The developed FEMs are validated against experimental results and demonstrated to be effective for structural analysis of FRP‐strengthened RC beams. Furthermore, parametric studies are carried out to learn the effects of types, thickness, and length of FRP on the structural behavior of FRP‐strengthened RC beams based on the FEM‐BC model. The research findings are summarized finally.

Journal

Structural ConcreteWiley

Published: Feb 1, 2019

Keywords: ; ; ; ;

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