Abstract
The present paper describes the relevance of the arch on the new modular bridge solution developed by MBSbyBERD to reach a new range of spans. Modular Steel Bridges are commonly used for the rapid reestablishment of interrupted roads and to a range of spans up to 60 m, and rarely for spans up to 90 m. In this last case there are few solutions available on the market and no longer than 90 m.
Designed to be pre-assembled and containerized in order to minimize assembly time, a long modular bridge LMB-120 has been developed to cover spans from 80 m up to 120 m.
The comparative analysis between solutions with or without the arch are introduced in this paper. Ultimate and service limits states were considered for launching and service phases.
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Notes
- 1.
Deck panels were tested up 2 million of cycles in ITECONS (Coimbra, Portugal). No damages were observed.
References
André, A.: New modular bridge solutions. In: Steel Bridges 2018 Proceedings of IOP Conference Series Materials Science and Engineering, Prague, Crech Republic, vol. 419, p. 012021 (2018)
André, A.: Estudo da Aplicação de Pré-esforço Orgânico em Pontes Provisórias, Ph.D. thesis, Faculty of Engineering of University of Porto, Portugal (2016)
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André, A., Ferraz, I., Coelho, H., Fernandes, J., Pacheco, P. (2020). New Span Range on Modular Bridges – The Arch Relevance. In: Arêde, A., Costa, C. (eds) Proceedings of ARCH 2019. ARCH 2019. Structural Integrity, vol 11. Springer, Cham. https://doi.org/10.1007/978-3-030-29227-0_103
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DOI: https://doi.org/10.1007/978-3-030-29227-0_103
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