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Title: Structural assessment of concrete bridges

Author(s): Mario Plos, Kent Gylltoft, Karin Lundgren, Jan Cervenka, Andrin Herwig, Eugen Brühwiler, Sven Thelandersson, Lennart Elfgren, Ebbe Rosell

Publication: NCR

Volume: 38

Issue: 6

Appears on pages(s): 97-112

Keywords: Structural assessment, concrete, railway, bridge, non-linear analysis, fatigue, corrosion

Date: 12/17/2008

The paper summarises the work on concrete bridges performed in the EU project Sustainable Bridges. The work provides enhanced assessment methods that are able to prove higher load-carrying capacities and longer fatigue lives for existing concrete railway bridges, and is implemented in a Guideline [1]. Methods for determination of in-situ material properties and advanced methods for structural analysis were developed. One main focus was non-linear analysis, since these provides the greatest potential for discovering of additional sources for load-carrying capacity. Furthermore, methods to assess the remaining structural resistance of deteriorated concrete bridges with respect to corrosion and fatigue were developed.

Norwegian Concrete Association, International Partner Access

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