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The Existing Champlain Bridge - Overview of Issues – The Owner’s Perspective

The Existing Champlain Bridge - Overview of Issues – The Owner’s Perspective
Auteur(s):
Présenté pendant IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017, publié dans , pp. 1505-1512
DOI: 10.2749/vancouver.2017.1505
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Montreal’s Champlain Bridge was the first large scale use of prestressed concrete in Canada. A lack of understanding of corrosive effects from the long term use of de-icing salts has, over the deca...
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Détails bibliographiques

Auteur(s): (The Jacques Cartier & Champlain Bridges Incorporated, Longueuil, QC, CANADA)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017
Publié dans:
Page(s): 1505-1512 Nombre total de pages (du PDF): 8
Page(s): 1505-1512
Nombre total de pages (du PDF): 8
Année: 2017
DOI: 10.2749/vancouver.2017.1505
Abstrait:

Montreal’s Champlain Bridge was the first large scale use of prestressed concrete in Canada. A lack of understanding of corrosive effects from the long term use of de-icing salts has, over the decades, led to severe corrosion of the concrete girders. A poor drainage system and water infiltration through the pre-stressing anchors contributed to accelerating deterioration. A decision to replace the bridge was taken in 2011 only 49 years after its opening.

Today, the most vulnerable girders are instrumented and the owner, The Jacques Cartier and Champlain Bridges Incorporated, has installed steel trusses beneath the exterior concrete girders as a risk management strategy.

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