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Optioneering of long viaducts via parametric design

 Optioneering of long viaducts via parametric design
Auteur(s):
Présenté pendant IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021, publié dans , pp. 1957-1964
DOI: 10.2749/ghent.2021.1957
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During the optioneering phase, engineers face the challenge of choosing between myriads of possible designs, while, simultaneously, several sorts of constraints have to be considered. We show in a ...
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Détails bibliographiques

Auteur(s): (Arup Deutschland GmbH, Speditionstraße 9, 40221 Düsseldorf, Germany)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021
Publié dans:
Page(s): 1957-1964 Nombre total de pages (du PDF): 8
Page(s): 1957-1964
Nombre total de pages (du PDF): 8
DOI: 10.2749/ghent.2021.1957
Abstrait:

During the optioneering phase, engineers face the challenge of choosing between myriads of possible designs, while, simultaneously, several sorts of constraints have to be considered. We show in a case study of a 380 m long viaduct how parametric modelling can facilitate the design process. The main challenge was to satisfy the constraints imposed by several different stakeholders. In order to identify sustainable, aesthetic, economic as well as structurally efficient options, we assessed several key performance indicators in real time. By automatically estimating steel and concrete volumes, a simple, yet suitable approximation of the embodied carbon (considering 85-95%) can be obtained at a very early design stage. In summary, our parametric approach allowed us to consider a wider range of parameters and to react more flexibly to changing conditions during the project.

Mots-clé:
durabilité
Copyright: © 2021 International Association for Bridge and Structural Engineering (IABSE)
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