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Re-use of wind turbine steel towers for pedestrian bridges

 Re-use of wind turbine steel towers for pedestrian bridges
Auteur(s): , ,
Présenté pendant IABSE Symposium: Construction’s Role for a World in Emergency, Manchester, United Kingdom, 10-14 April 2024, publié dans , pp. 1285-1294
DOI: 10.2749/manchester.2024.1285
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Steel towers used for wind turbines are being decommissioned after relatively short service lives of around 25 years. This abbreviated lifespan is partially due to fatigue loading, although the ste...
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Détails bibliographiques

Auteur(s): (FORSBERGS, Copenhagen, Denmark)
(Dissing + Weitling Architecture, Copenhagen, Denmark)
(Dissing + Weitling Architecture, Copenhagen, Denmark)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Construction’s Role for a World in Emergency, Manchester, United Kingdom, 10-14 April 2024
Publié dans:
Page(s): 1285-1294 Nombre total de pages (du PDF): 10
Page(s): 1285-1294
Nombre total de pages (du PDF): 10
DOI: 10.2749/manchester.2024.1285
Abstrait:

Steel towers used for wind turbines are being decommissioned after relatively short service lives of around 25 years. This abbreviated lifespan is partially due to fatigue loading, although the steel itself may still be safe for normal loads. FORSBERGS and Dissing+Weitling Architecture are investigating the potential for reusing these towers as the primary structure for pedestrian bridges. The focus of these investigations lies in the structural design of a new bridge, constrained by the existing geometry of the steel tower. One approach involves longitudinally splitting a tower into two half- pipe structures that could serve as bridge spans. This study encompasses an assessment of the CO2 aspect, comparing the overall carbon footprint resulting from a conventional decommissioning of a steel tower with that of repurposing it for a bridge. The proposed concept could potentially apply to narrow pedestrian or bicycle bridges, or utilise side-by-side half-pipes for multipurpose use.

Mots-clé:
architecture passerelles piétonnnes éoliennes

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