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A Baseline Study of a Major Viaduct in Toronto, Canada, for Strategic Planning for the Superstructure

A Baseline Study of a Major Viaduct in Toronto, Canada, for Strategic Planning for the Superstructure
Auteur(s): ,
Présenté pendant IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017, publié dans , pp. 1437-1444
DOI: 10.2749/vancouver.2017.1437
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The F.G. Gardiner Expressway (Gardiner) is a major transportation artery in the City of Toronto, Ontario, Canada and has an “Elevated” section, a 6 km long viaduct structure of over 500 spans. The ...
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Détails bibliographiques

Auteur(s): (Morrison Hershfield Limited, Markham, ON, Canada)
(Morrison Hershfield Limited, Markham, ON, Canada)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017
Publié dans:
Page(s): 1437-1444 Nombre total de pages (du PDF): 8
Page(s): 1437-1444
Nombre total de pages (du PDF): 8
Année: 2017
DOI: 10.2749/vancouver.2017.1437
Abstrait:

The F.G. Gardiner Expressway (Gardiner) is a major transportation artery in the City of Toronto, Ontario, Canada and has an “Elevated” section, a 6 km long viaduct structure of over 500 spans. The City constructed the viaduct in segments between 1955 to 1964, and since then the viaduct has undergone over 100 rehabilitation projects to keep it continuously operating. Recent plans for the “Elevated” section involved a complete realignment and replacement of a 2-km long section at its east end, and a superstructure replacement for the remaining 400 spans as the bulk of the substructure will remain. This has posed questions concerning the disparity of life expectancy and maintenance efforts of the existing substructures, and those of the new superstructure, and the correctness of this method of rehabilitation. This paper is a case study to describe an approach to assess and recommend an overall strategy in addressing this challenging question.

Mots-clé:
piles et culées