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Editorial

Editorial The dynamic p-y method, based on the Winkler model, is a useful approach for designing bridges to resist seismic events. Further, this approach facilitates characterization of nonlinear dynamic soil-structure interaction while offsetting time and expertise that would otherwise be required to develop continuum-based models. In “Design-Oriented Seismic Soil-Pile-Superstructure Interaction Analysis using a Dynamic p-y Method”, Taghavi et al. present their work on validating the nonlinear Winkler method—within bridge FEA software—and its employment of the computation of dynamic bridge foundation member response to seismic loading. Orthotropic steel decks (OSDs) consist of a complex network of stiffeners and the deck plate itself. Working as a whole, it takes part in the structural working of the overall bridge, which in its turn results in a lightweight and durable deck concept. Orthotropic steel decks are nevertheless very sensitive to fatigue damage, because of the large number of welded connections. Innovative research focuses on the application of fracture mechanics as well as the influence of residual stresses on the fatigue lifetime. De Backer et al present “Innovative fatigue design of orthotropic steel decks”, in which they employ Linear Elastic Fracture Mechanics (LEFM). When opened in 1967, the San Mateo/Hayward Bridge crossing the San Francisco http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bridge Structures IOS Press

Editorial

Mahmoud, Khaled M.
Bridge Structures , Volume 13 (2-3): 2 – Jan 1, 2017
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Publisher
IOS Press
Copyright
Copyright © 2017 © 2017 – IOS Press and the authors. All rights reserved
ISSN
1573-2487
eISSN
1744-8999
DOI
10.3233/BRS-170120
Publisher site
See Article on Publisher Site

Abstract

The dynamic p-y method, based on the Winkler model, is a useful approach for designing bridges to resist seismic events. Further, this approach facilitates characterization of nonlinear dynamic soil-structure interaction while offsetting time and expertise that would otherwise be required to develop continuum-based models. In “Design-Oriented Seismic Soil-Pile-Superstructure Interaction Analysis using a Dynamic p-y Method”, Taghavi et al. present their work on validating the nonlinear Winkler method—within bridge FEA software—and its employment of the computation of dynamic bridge foundation member response to seismic loading. Orthotropic steel decks (OSDs) consist of a complex network of stiffeners and the deck plate itself. Working as a whole, it takes part in the structural working of the overall bridge, which in its turn results in a lightweight and durable deck concept. Orthotropic steel decks are nevertheless very sensitive to fatigue damage, because of the large number of welded connections. Innovative research focuses on the application of fracture mechanics as well as the influence of residual stresses on the fatigue lifetime. De Backer et al present “Innovative fatigue design of orthotropic steel decks”, in which they employ Linear Elastic Fracture Mechanics (LEFM). When opened in 1967, the San Mateo/Hayward Bridge crossing the San Francisco

Journal

Bridge Structures – IOS Press

Published: Jan 1, 2017

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