This paper demonstrates innovations in sustainability and steel composite bridges, suggesting effective methods for infrastructure improvement.
The paper presents recent bridge projects in Europe, where the combination of innovative steel solutions with high strength steel S460, weathering steel and low-emission steels results in sustainable bridge infrastructure. The optimization of the conventional composite dowel strip concept to a new and innovative solution, the so-called „crocodile“, is described. In addition, the first network-arch bridge in Europe fully made in hot-rolled sections in weathering steel S460J2W is presented. Finally, the paper concludes with an LCA-study to quantify the potential GWP savings that can be achieved by a combination of a lean design of steel composite bridges and low-emission steels.
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Tibolt et al. (2025) studied this question.
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