Rose Fitzgerald Kennedy bridge over the River Barrow. Design and Construction of a long span extrados bridge
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Bibliographic Details
Author(s): |
Marcos Sanchez Sanchez
(ARUP Ireland)
Miguel Ángel Astiz Suárez (Carlos Fernandez Casado S.L.) John Iliff (Transport Infrastructure Ireland) |
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Medium: | conference paper | ||||
Language(s): | English | ||||
Conference: | IABSE Congress: Resilient technologies for sustainable infrastructure, Christchurch, New Zealand, 3-5 February 2021 | ||||
Published in: | IABSE Congress Christchurch 2020 | ||||
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Page(s): | 436-444 | ||||
Total no. of pages: | 9 | ||||
DOI: | 10.2749/christchurch.2021.0436 | ||||
Abstract: |
This paper describes the key elements from early planning to completion of a new bridge over the River Barrow which is part of the New Ross bypass in the south of Ireland. The structure has a total length of 887m, with a span arrangement of 36-45-95-230-230-95-70-50-36m. The two central twin spans are the longest of its kind in the world (extrados with a full concrete deck). The bridge carries a dual carriageway with a cable arrangement consisting of a single plane of cables located in the central axis of the deck. The design and construction focused in providing a structure with long term durability, resilience, and a robust approach to design scenarios using the Eurocodes and state of the art analysis techniques, including extreme events such as fire and ship impact. |
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Keywords: |
design for durability concrete deck ship impact cable-stayed wind engineering post-tensioning extrados
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