Publication

Rehabilitation of concrete bridges using Ultra-High Performance Fibre Reinforced Concrete (UHPFRC)

2012
Conference Papers

Résumé

Rehabilitation of deteriorated concrete bridges is a heavy burden from the socio-economic viewpoint. Novel concepts for the rehabilitation of concrete structures must be developed. Ultra-High Performance Fibre Reinforced Concretes (UHPFRC) provide the structural engineer with a unique combination of extremely low permeability and very high mechanical strength. An original lifetime oriented concept is presented for the rehabilitation of concrete bridges which consists in using UHPFRC to “harden” the zones exposed to severe environmental and high mechanical loading. This concept combines efficiently protection and resistance properties of UHPFRC and significantly improves the structural performance and life-cycle costs.

Source officielle

https://infoscience.epfl.ch/entities/publication/e7472527-428d-497b-a43f-c5dcd7bb80cf

À propos de ce résultat

Cette page est générée automatiquement et peut contenir des informations qui ne sont pas correctes, complètes, à jour ou pertinentes par rapport à votre recherche. Il en va de même pour toutes les autres pages de ce site. Veillez à vérifier les informations auprès des sources officielles de l'EPFL.

Graph Chat

Chattez avec Graph Search

Posez n’importe quelle question sur les cours, conférences, exercices, recherches, actualités, etc. de l’EPFL ou essayez les exemples de questions ci-dessous.

AVERTISSEMENT : Le chatbot Graph n'est pas programmé pour fournir des réponses explicites ou catégoriques à vos questions. Il transforme plutôt vos questions en demandes API qui sont distribuées aux différents services informatiques officiellement administrés par l'EPFL. Son but est uniquement de collecter et de recommander des références pertinentes à des contenus que vous pouvez explorer pour vous aider à répondre à vos questions.

2012
Conference Papers

Résumé

Source officielle

https://infoscience.epfl.ch/entities/publication/e7472527-428d-497b-a43f-c5dcd7bb80cf

À propos de ce résultat

Concepts associés (32)

Béton de ciment

thumb|upright=1.0|Un mètre cube de béton (représentant la production mondiale annuelle de béton par habitant). Le béton de ciment, couramment appelé béton, est un mélange de ciment, de granulats, d'eau et d'adjuvants. Histoire du béton de ciment Ciment Le ciment se compose essentiellement de chaux, de silice, d'alumine et d'oxyde de fer combinés au silicate et aluminate de calcium. Les différents ciments résultent du mélange de clinker, de calcaire, de laitier et de cendres volantes (qui sont des composés à effet pouzzolanique, mais non considérés comme des pouzzolanes).

Prestressed concrete

Prestressed concrete is a form of concrete used in construction. It is substantially "prestressed" (compressed) during production, in a manner that strengthens it against tensile forces which will exist when in service. This compression is produced by the tensioning of high-strength "tendons" located within or adjacent to the concrete and is done to improve the performance of the concrete in service. Tendons may consist of single wires, multi-wire strands or threaded bars that are most commonly made from high-tensile steels, carbon fiber or aramid fiber.

Structural engineer

Structural engineers analyze, design, plan, and research structural components and structural systems to achieve design goals and ensure the safety and comfort of users or occupants. Their work takes account mainly of safety, technical, economic, and environmental concerns, but they may also consider aesthetic and social factors. Structural engineering is usually considered a specialty discipline within civil engineering, but it can also be studied in its own right.

Afficher plus

Publications associées (29)

Afficher plus

Rehabilitation of concrete bridges using Ultra-High Performance Fibre Reinforced Concrete (UHPFRC)

Chattez avec Graph Search

Relating free-surface flow and discharge in mountain streams

Preserving high work hardening without sacrificing yield strength in a metastable β Ti alloy via relay-like hardening mechanism

Influence of fiber material on actuation and sensing in fiber-reinforced DEAs