Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Cyclic Response of Concrete Bridge Piers Reinforced with Steel or GFRP Bars
The effect of corrosion on the long-term performance of reinforced concrete bridges has led to international interest in the use of non-corroding Glass Fibre-Reinforced Polymer (GFRP) bars. This paper investigates the cyclic response of six one-third scale, concrete bridge piers reinforced with various configurations of steel or GFRP bars. Each specimen was tested under a constant gravity load and reversed quasi-static cyclic lateral loading, before the response of each pier was compared with respect to strength, stiffness, deformability, energy dissipation and damage. The results indicate a hybrid combination of steel longitudinal bars and GFRP spirals can offer a ductile cyclic response with similar or enhanced post-peak performance compared to conventional steel-reinforced concrete. Piers reinforced with GFRP longitudinal and transverse bars had a stable and deformable cyclic response with little strength degradation and residual displacement. However, this was accompanied by a lower initial stiffness and a reduction in hysteretic energy dissipation.
Cyclic Response of Concrete Bridge Piers Reinforced with Steel or GFRP Bars
The effect of corrosion on the long-term performance of reinforced concrete bridges has led to international interest in the use of non-corroding Glass Fibre-Reinforced Polymer (GFRP) bars. This paper investigates the cyclic response of six one-third scale, concrete bridge piers reinforced with various configurations of steel or GFRP bars. Each specimen was tested under a constant gravity load and reversed quasi-static cyclic lateral loading, before the response of each pier was compared with respect to strength, stiffness, deformability, energy dissipation and damage. The results indicate a hybrid combination of steel longitudinal bars and GFRP spirals can offer a ductile cyclic response with similar or enhanced post-peak performance compared to conventional steel-reinforced concrete. Piers reinforced with GFRP longitudinal and transverse bars had a stable and deformable cyclic response with little strength degradation and residual displacement. However, this was accompanied by a lower initial stiffness and a reduction in hysteretic energy dissipation.
Cyclic Response of Concrete Bridge Piers Reinforced with Steel or GFRP Bars
Lecture Notes in Civil Engineering
Ilki, Alper (Herausgeber:in) / Çavunt, Derya (Herausgeber:in) / Çavunt, Yavuz Selim (Herausgeber:in) / Stratford, Cain (Autor:in) / Palermo, Alessandro (Autor:in)
International Symposium of the International Federation for Structural Concrete ; 2023 ; Istanbul, Türkiye
01.06.2023
10 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Numerical Modeling of Hybrid Steel/GFRP Reinforced Concrete Bridges Piers
| Springer Verlag | 2022
Seismic vulnerability assessment of reinforced concrete bridge piers with corroded bars
| BASE | 2023
Cyclic Behavior of Corroded Reinforced Concrete Bridge Piers
| Online Contents | 2017