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Analysis of curved incrementally launched box concrete bridges using the Transfer Matrix Method

Analysis of curved incrementally launched box concrete bridges using the Transfer Matrix Method The incrementally launching technique is today widely used for the construction of continuous concrete bridges. During construction, the static scheme of these bridges varies continuously, with the advance of the deck above piers producing temporary stresses rather different from those occurring in service. An approach to analyse the construction phases of curved incrementally launched bridges is presented for concrete single box girder. A procedure based on the Transfer Matrix Method (TMM), already developed for straight launched bridges, has been extended to curved beams, allowing engineers to estimate the effects of horizontal curvature during the entire launching process. This procedure allows engineers to carry out parametric studies for the optimization of structural design of curved concrete launched bridges. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bridge Structures iospress

Analysis of curved incrementally launched box concrete bridges using the Transfer Matrix Method

Bridge Structures , Volume 3 (3) – Jan 1, 2007

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Publisher
IOS Press
Copyright
Copyright © 2007 by IOS Press, Inc
ISSN
1573-2487
eISSN
1744-8999
DOI
10.1080/15732480701510445
Publisher site
See Article on Publisher Site

Abstract

The incrementally launching technique is today widely used for the construction of continuous concrete bridges. During construction, the static scheme of these bridges varies continuously, with the advance of the deck above piers producing temporary stresses rather different from those occurring in service. An approach to analyse the construction phases of curved incrementally launched bridges is presented for concrete single box girder. A procedure based on the Transfer Matrix Method (TMM), already developed for straight launched bridges, has been extended to curved beams, allowing engineers to estimate the effects of horizontal curvature during the entire launching process. This procedure allows engineers to carry out parametric studies for the optimization of structural design of curved concrete launched bridges.

Journal

Bridge Structuresiospress

Published: Jan 1, 2007

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