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IZMIT Bay Suspension Bridge – Advanced Post tensioning system

 IZMIT Bay Suspension Bridge – Advanced Post tensioning system
Auteur(s): , , , ,
Présenté pendant IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017, publié dans , pp. 944-950
DOI: 10.2749/vancouver.2017.0944
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This paper introduces the advanced post-tensioning system adopted in the anchorage for IZMIT Bay Suspension bridge (now named “Osman Gasi Bridge”) in Turkey. The system is based on unbonded tendon ...
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Détails bibliographiques

Auteur(s): (IHI Infrastructure Systems Co., Ltd., Istanbul, TURKEY)
(IHI Infrastructure Systems Co., Ltd., Istanbul, TURKEY)
(IHI Infrastructure Systems Co., Ltd., Istanbul, TURKEY)
(IHI Infrastructure Systems Co., Ltd., Istanbul, TURKEY)
(IHI Infrastructure Systems Co., Ltd., Istanbul, TURKEY)
(COWI A/S, Copenhagen, DENMARK)
(COWI A/S, Copenhagen, DENMARK)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017
Publié dans:
Page(s): 944-950 Nombre total de pages (du PDF): 7
Page(s): 944-950
Nombre total de pages (du PDF): 7
Année: 2017
DOI: 10.2749/vancouver.2017.0944
Abstrait:

This paper introduces the advanced post-tensioning system adopted in the anchorage for IZMIT Bay Suspension bridge (now named “Osman Gasi Bridge”) in Turkey. The system is based on unbonded tendon instead of the conventional grout solution. The reliable long-term durability is provided by the dehumidification system and the condition inside a tube is continuously monitored. In addition, “strand-by-strand” method gives the possibility to replace strands in the feature. The method has been verified by a mock-up test. Major steps of strand replacement are also described in this paper together with some notable key issues.

Mots-clé:
ancrage

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