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Short span UHPFRC railway bridge in Switzerland - from design to implementation

Short span UHPFRC railway bridge in Switzerland - from design to implementation
Autor(en): , , , ORCID
Beitrag für IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022, veröffentlicht in , S. 277-284
DOI: 10.2749/prague.2022.0277
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This paper presents the design and construction of the Aiguillon railway bridge in Switzerland, one of the first railway bridges completely made of Ultra-High-Performance Fiber-Reinforced Cementiti...
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Bibliografische Angaben

Autor(en): (Project Manager, Deputy head of Leman Engineering Structure Department, Gruner Stucky Ltd, Switzerland)
(Postdoctoral Researcher, Structural Maintenance and Safety Laboratory, EPFL, Switzerland)
(Project Manager, TRAVYS Ltd, Switzerland)
ORCID (Professor, Head of Structural Maintenance and Safety Laboratory, EPFL, Switzerland)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022
Veröffentlicht in:
Seite(n): 277-284 Anzahl der Seiten (im PDF): 8
Seite(n): 277-284
Anzahl der Seiten (im PDF): 8
DOI: 10.2749/prague.2022.0277
Abstrakt:

This paper presents the design and construction of the Aiguillon railway bridge in Switzerland, one of the first railway bridges completely made of Ultra-High-Performance Fiber-Reinforced Cementitious Composite (UHPFRC). The length and width of the trough girder are respectively 6.6 m and 5.7 m. It is designed for a narrow-gauge track and two walkways. The trough is composed of two prefabricated elements in UHPFRC with steel reinforcement bars. These elements are first built in the plant and then are assembled on site by a longitudinal cast-in-place joint.

The challenges and the experiences in this project are discussed and analysed in view of future projects. Furthermore, the full-scale suitability tests to validate the joint between the two prefabricated elements are described. The test results of the structural resistance of the joints are in good agreement with analytical results.
Stichwörter:
Leichtbau Vorfertigung UHPFRC
Copyright: © 2022 International Association for Bridge and Structural Engineering (IABSE)
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