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The Existing Champlain Bridge - Strengthening Measures

The Existing Champlain Bridge - Strengthening Measures
Autor(en): , , , ,
Beitrag für IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017, veröffentlicht in , S. 1537-1544
DOI: 10.2749/vancouver.2017.1537
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The superstructure of the 50 approach spans of the Champlain Bridge consists of a highly integrated system with seven deep precast post-tensioned girders, transversely post-tensioned diaphragms and...
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Bibliografische Angaben

Autor(en): (COWI North America Ltd., North Vancouver, BC, Canada)
(COWI North America Ltd., North Vancouver, BC, Canada)
(Stantec, Montreal, QC, Canada)
(Stantec, Montreal, QC, Canada)
(Jacques Cartier and Champlain Bridges Inc., Montreal, QC, Canada)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017
Veröffentlicht in:
Seite(n): 1537-1544 Anzahl der Seiten (im PDF): 8
Seite(n): 1537-1544
Anzahl der Seiten (im PDF): 8
Jahr: 2017
DOI: 10.2749/vancouver.2017.1537
Abstrakt:

The superstructure of the 50 approach spans of the Champlain Bridge consists of a highly integrated system with seven deep precast post-tensioned girders, transversely post-tensioned diaphragms and cast-in-place infill deck slabs. Deterioration and signs of corrosion observed in many of the girder PT tendons led the corporation managing the Bridge to initiate a major girder strengthening campaign to ensure user safety and that the structure remains open to traffic. Six strengthening systems were designed to secure all 100 edge girders, each system having a specific rehabilitation purpose and designed to address multiple constraints. For each system, the main principles behind the design, its intended purpose (emergency or permanent repair) as well as the many considerations in developing each system are described.

Stichwörter:
Beton Brücke Korrosion Verstärkung Instandsetzung

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