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Comportement de joints de chevauchement en BFUP pour la construction de culées préfabriquées

Rémy Bastide

Master's thesis (2020)

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Abstract

Bridge construction is a large-scale project requiring a delicate balance between the main constraints of safety, functionality, initial costs and sustainability, with major impacts on societies. In this context, Accelerated Bridge Construction (ABC) is a new set of technologies being developed to reduce construction time with lower costs and more durable structures. This method is based on the prefabrication of the various components of the structure that are only assembled on site. It therefore requires the development of new design criteria for those prefabricated elements and for the connections between these elements. This research project focuses on the development of prefabricated abutments in the Quebec context. This region has potential high seismic risk, particularly for abutment-type structures, and the bridge construction standard prohibits the use of joints at the base of abutments for seismic construction. However, several studies carried out at Polytechnique Montréal have shown the potential of using UHPFRC, a material with interesting tensile characteristics that is still little used in onstruction, in lap joints for seismic rehabilitation or even in the design of connections between piers and foundations. This project objective will therefore be to propose a preliminary design of a prefabricated abutment and then to study in more detail the connection with a lap joint made of UHPFRC

Résumé

La construction d'un pont est un projet de grande ampleur nécessitant un équilibre délicat entre les principales contraintes que sont la sécurité, la fonctionnalité, les coûts initiaux et la durabilité et ayant des impacts majeurs sur les sociétés. Dans ce contexte la Construction Accélérée de Ponts (CAP) est un nouvel ensemble de technologies se développant pour réduire les délais de construction avec des coûts réduits et des ouvrages plus durables. Cette méthode repose sur la préfabrication des différents éléments constitutifs de l'ouvrage pour ensuite seulement les assembler sur le chantier. Elle nécessite donc le développement de nouveaux critères pour la conception de ces éléments préfabriqués et la conception des connexions entre ces éléments.
Department: Department of Civil, Geological and Mining Engineering
Program: Génies civil, géologique et des mines
Academic/Research Directors: Bruno Massicotte
PolyPublie URL: https://publications.polymtl.ca/5276/
Institution: Polytechnique Montréal
Date Deposited: 20 Oct 2020 13:43
Last Modified: 13 Jan 2023 11:12
Cite in APA 7: Bastide, R. (2020). Comportement de joints de chevauchement en BFUP pour la construction de culées préfabriquées [Master's thesis, Polytechnique Montréal]. PolyPublie. https://publications.polymtl.ca/5276/

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