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Digital Twins for asset management: case study of snow galleries in northern Sweden
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0002-5267-2605
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.
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(English)Manuscript (preprint) (Other academic)
Abstract [en]

The use of digital twin (DT) technology within the engineering and construction (E&C) industry is valuable for practical applications in asset management of structures. Functional DT in E&C, however, are still in initial stages of development. Efforts towards standardization of concepts and procedures are necessary to build on existing knowledge and drive progress further on functional DT. This paper proposes a DT of a snow gallery, part of the Iron Ore railway in northern Sweden. The gallery was instrumented with a structural health monitoring (SHM) system that feeds data in real time to the DT, which also includes a 3D model of the gallery. The proposed methodology can be replicated to different structures and scaled for larger amounts of data. The SHM data and the 3D digital model of the snow gallery are connected in a single, integrated platform that enables improved decision-making for maintenance of the gallery. To promote clarity and progress within the field, the proposed DT’s maturity level is classified in terms of autonomy, intelligence, learning, and fidelity. The snow galleries, the SHM system, and the proposed DT are all presented and discussed, following a brief review on DT, the importance of level classification, and predictive maintenance.

Keywords [en]
digital twins; asset management; maintenance; snow load; structural health monitoring; building information modelling; case study; snow galleries
National Category
Construction Management
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-105309OAI: oai:DiVA.org:ltu-105309DiVA, id: diva2:1855600
Available from: 2024-05-02 Created: 2024-05-02 Last updated: 2024-05-02
In thesis
1. Digital Twins for Asset Management of Civil Structures: Can we close the gap between perceived potential and practical applications?
Open this publication in new window or tab >>Digital Twins for Asset Management of Civil Structures: Can we close the gap between perceived potential and practical applications?
2024 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Luleå: Luleå University of Technology, 2024
Series
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544
National Category
Building Technologies
Research subject
Structural Engineering
Identifiers
urn:nbn:se:ltu:diva-105312 (URN)978-91-8048-562-3 (ISBN)978-91-8048-563-0 (ISBN)
Public defence
2024-09-17, E632, Luleå University of Technology, Luleå, 10:00 (English)
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Available from: 2024-05-02 Created: 2024-05-02 Last updated: 2024-06-05Bibliographically approved

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