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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
Auteur(s): , , , ORCID
Présenté pendant IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022, publié dans , pp. 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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Détails bibliographiques

Auteur(s): (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)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022
Publié dans:
Page(s): 277-284 Nombre total de pages (du PDF): 8
Page(s): 277-284
Nombre total de pages (du PDF): 8
DOI: 10.2749/prague.2022.0277
Abstrait:

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.
Copyright: © 2022 International Association for Bridge and Structural Engineering (IABSE)
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