Developments in under-deck and combined cable-stayed bridges

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Title: Developments in under-deck and combined cable-stayed bridges
Authors: Ruiz-Teran, AM
Aparicio, AC
Item Type: Journal Article
Abstract: Under-deck, cable-stayed bridges and combined cablestayed bridges constitute two innovative bridge types that have been designed and built on relatively few occasions over the last 30 years, in most cases by renowned structural engineers, such as Leonhardt, Schlaich, Virlogeux, Manterola, Robertson and Cremer. In these bridge types, the stay cables have unconventional layouts: either below the deck, in the case of under-deck cablestayed bridges, or above and below the deck, in the case of combined cable-stayed bridges. In this paper, a general and critical overview of the current state-of-the-art is outlined, addressing issues related to proposals, built bridges and research. Significant attention is paid to their highly efficient structural behaviour and unconventional design criteria, both of which lead to a significant reduction in the amount of required materials, in comparison with conventional bridges without stay cables, and thus allow for sustainable design. Other advantages of these bridges, such as multiple construction possibilities, strong aesthetic characteristics and their broad range of potential applications, are also stressed.
Issue Date: 1-Jun-2010
ISSN: 1478-4637
Start Page: 67
End Page: 78
Journal / Book Title: Proceedings of ICE Bridge Engineering. Special issue about 'Bridge Engineering: Cable-Supported Structures'
Volume: 163
Issue: 2
Copyright Statement: © 2010 The Author and ICE. Published by Thomas Telford
Publication Status: Published
Conference Place: UK
Appears in Collections:Civil and Environmental Engineering

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