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Multi-level assessment evaluates load-bearing capacity of historical steel-concrete bridges, indicating safety standards.
This paper examines the structural behaviour of historical steel-concrete bridges in Amsterdam, which do not comply with current NEN-EN 1994-1 detailing requirements due to the absence of a dedicated steel-concrete coupling method. The research integrates a multi-level structural assessment, combining in-situ experiments and laboratory tests to validate the load-bearing capacity and composite behaviour of these bridge decks. The results confirm significant transverse load distribution and support a conservative, broadly applicable assessment strategy for evaluating the structural safety of historical composite bridge decks.
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Renckens et al. (2025) studied this question.
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