This analysis reveals user comfort improvements in metro stations through arch-based structures, indicating fire safety and urban constraints necessitate innovative design solutions.
This paper explores the challenges encountered during the design and execution of the new Toots Thielemans metro station in Brussels. Key requirements included accommodating full-size trees on the surface and maintaining traffic operational in a densely urbanized area, enhancing user comfort, and improving fire safety. These needs led to the selection of a robust yet elegant arch-based structure. The development of different structural models is also discussed. Additional complexities arose from the typical constraints of underground construction, such as work phasing, top-to-bottom construction and soil-structure interaction.
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Muret et al. (2025) studied this question.
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