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The Extraordinary Noise-reduced Modular Expansion Joints of the Queensferry Bridge

The Extraordinary Noise-reduced Modular Expansion Joints of the Queensferry Bridge
Auteur(s): , ,
Présenté pendant IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018, publié dans , pp. S19-9
DOI: 10.2749/nantes.2018.s19-9
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The recent construction of the spectacular Queensferry Crossing across the Firth of Forth in Scotland required the use of some extraordinary components, such as the modular expansion joints which a...
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Détails bibliographiques

Auteur(s): (Mageba SA, Bülach, Switzerland)
(Mageba SA, Bülach, Switzerland)
(Mageba SA, Bülach, Switzerland)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018
Publié dans:
Page(s): S19-9 Nombre total de pages (du PDF): 8
Page(s): S19-9
Nombre total de pages (du PDF): 8
DOI: 10.2749/nantes.2018.s19-9
Abstrait:

The recent construction of the spectacular Queensferry Crossing across the Firth of Forth in Scotland required the use of some extraordinary components, such as the modular expansion joints which accommodate the long deck’s exceptionally large longitudinal movements of up to 2300 mm. To minimise noise from vehicles as they cross the joints, they are equipped with noise-reducing surface plates at the driving interface, and flexible noise-absorbing membranes to tackle noise emanating from the underside of the joints. The largest joints, each with a length of over 17 m, a width of over 5 m and a weight of 55,000 kg, are among the largest-movement modular expansion joints ever manufactured, and the largest that feature noise-reducing surface plates. The design, supply and installation of the joints is described.

Mots-clé:
pont Joint de dilatation

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