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Optioneering of long viaducts via parametric design

 Optioneering of long viaducts via parametric design
Autor(en):
Beitrag für IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021, veröffentlicht in , S. 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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Bibliografische Angaben

Autor(en): (Arup Deutschland GmbH, Speditionstraße 9, 40221 Düsseldorf, Germany)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021
Veröffentlicht in:
Seite(n): 1957-1964 Anzahl der Seiten (im PDF): 8
Seite(n): 1957-1964
Anzahl der Seiten (im PDF): 8
DOI: 10.2749/ghent.2021.1957
Abstrakt:

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.

Stichwörter:
Nachhaltigkeit parametrisches Entwerfen Lebenszyklusanalyse Brückenentwurf
Copyright: © 2021 International Association for Bridge and Structural Engineering (IABSE)
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