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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Seismic Strengthening of Massive Bridge Piers – Nonlinear Finite Element Investigation
The paper presents the results of a collaborative research project on the seismic performance of massive piers of a 90-year-old lifeline bridge. The project aims to reproduce the behaviour of these key elements and to study various strengthening methods. More specifically, the project aims to reproduce the nonlinear behaviour of large, lightly reinforced, and unreinforced rectangular massive piles, and to study the performance of a strengthening scheme using nonlinear finite element models.
A short (30 m high) and a tall (60 m high) piers were selected. Static pushover analyses carried out with a nonlinear finite element software illustrated the fragility of the piers, especially the shortest one that had no reinforcement. Exploratory nonlinear time history analyses were performed for both piers, for both theoretical fixed base and rocking foundation condition. These analyses have illustrated the advantage of such an approach for existing massive structures. Rocking foundation-type analyses, where the piers are reinforced by means of a steel jacketing, illustrated the performance of such an approach for strengthening massive unreinforced concrete piers.
Seismic Strengthening of Massive Bridge Piers – Nonlinear Finite Element Investigation
The paper presents the results of a collaborative research project on the seismic performance of massive piers of a 90-year-old lifeline bridge. The project aims to reproduce the behaviour of these key elements and to study various strengthening methods. More specifically, the project aims to reproduce the nonlinear behaviour of large, lightly reinforced, and unreinforced rectangular massive piles, and to study the performance of a strengthening scheme using nonlinear finite element models.
A short (30 m high) and a tall (60 m high) piers were selected. Static pushover analyses carried out with a nonlinear finite element software illustrated the fragility of the piers, especially the shortest one that had no reinforcement. Exploratory nonlinear time history analyses were performed for both piers, for both theoretical fixed base and rocking foundation condition. These analyses have illustrated the advantage of such an approach for existing massive structures. Rocking foundation-type analyses, where the piers are reinforced by means of a steel jacketing, illustrated the performance of such an approach for strengthening massive unreinforced concrete piers.
Seismic Strengthening of Massive Bridge Piers – Nonlinear Finite Element Investigation
Lecture Notes in Civil Engineering
Ilki, Alper (Herausgeber:in) / Çavunt, Derya (Herausgeber:in) / Çavunt, Yavuz Selim (Herausgeber:in) / Yildiz, Emre (Autor:in) / Massicotte, Bruno (Autor:in) / Abra, Oumaima (Autor:in)
International Symposium of the International Federation for Structural Concrete ; 2023 ; Istanbul, Türkiye
03.06.2023
9 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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