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A monitoring system for determination of real deck slab behaviour in prestressed box girder bridges

Publications associées (73)

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By reviewing some of the reinforced-concrete structures built in the early 20th century, this paper questions the geometrical aspects surrounding their design. It is well established that in the case of Robert Maillart’s designs, he relied on the logic of ...

Construction History Society of America2015

This paper presents an investigation of the influence of vehicle transverse in-lane position on bridge traffic load effects. To analyze the influence, both finite-element analysis and statistical analysis methods are used, and various technical aspects are ...

American Society of Civil Engineers2015

A Novel Bridge Section Model Endowed with Actively Controlled Flap Arrays Mitigating Wind Impact

Alcherio Martinoli, Klara Maria Boberg, Glauco Feltrin

In this work, we present the SmartBridge, a novel bridge section model equipped with actively controlled arrays of flaps aiming at mitigating wind-induced vibrations of long-span bridges. The active model, as well as its support structure, is described in ...

2015

Defining a braking probability to estimate extreme braking forces on road bridges

Katrin Beyer, André-Gilles Dumont, Marc-Antoine Fénart, Glauco Feltrin

A probabilistic approach is necessary to estimate the magnitude of the braking force that compares in terms of return period with the vertical traffic loads present in bridge design codes. A data set from a Danish Field Operational Test served as support t ...

2015

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This paper describes a near full-scale deployable tensegrity footbridge. Tensegrity structures are pre-stressed structures composed of tension elements (cables) surrounded by compression elements (struts) in equilibrium. Deployment of two bridge halves is ...

2015

Structural performance of complex core systems for FRP-balsa composite sandwich bridge decks

Michael Osei-Antwi

Based on current fiber-reinforced polymer (FRP) composite construction principles, FRP decks fall into two categories: pultruded decks and sandwich decks. Sandwich decks comprise face sheets and either honeycombs or foams reinforced with internal FRP webs ...

EPFL2014

With the occurrence of higher and more frequent axle loads on roads, in particular bridge deck slabs are more severely solicitated by fatigue loading. To avoid heavy interventions for strengthening of deck slabs, an improved building material is used, name ...

Crc Press-Taylor & Francis Group2014

Résistance au déversement des poutres métalliques de pont

Raphaël Thiébaud

Steel and steel-concrete composite bridges made of plate girders represent an economical structural form and are largely used for short and medium spans. Two parallel plate girders connected by cross-beams define a twin-girder bridge. This type of bridge t ...

EPFL2014

Ultra high performance fiber reinforced concrete for strengthening and protecting bridge deck slabs

Eugen Brühwiler, Maléna Bastien Masse

An original concept is presented for the durable rehabilitation of concrete bridge deck slabs. The main idea is to add a layer of Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) with or without steel reinforcing bars over the concrete slab to cre ...

Crc Press-Taylor & Francis Group2014

Are current bridge load modelling techniques realistic for existing road bridges?

Mark Anthony Treacy

Road traffic loading is a highly variable process with a wide range of complex variables to consider. Consequently, various simplifying assumptions are required to efficiently model heavy traffic events for bridge safety verification, which reduce the accu ...

Crc Press-Taylor & Francis Group2014