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Adapting to climate change: snow load assessment of snow galleries on the Iron Ore Line in Northern Sweden
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.ORCID-id: 0000-0002-5267-2605
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.ORCID-id: 0000-0003-3548-6082
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand. Department of Civil Engineering and Installations (CCI), Politehnica University of Timisoara, Timisoara, Romania.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand. SINTEF Narvik AS, Narvik, Norway.ORCID-id: 0000-0001-9423-7436
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2024 (engelsk)Inngår i: Frontiers in Built Environment, E-ISSN 2297-3362, Vol. 9Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The snow galleries along the Iron Ore railway line in northern Sweden have facedproblems in recent years due to increasingly large snow loads, and several gallerieshave been damaged. These incidents motivated an evaluation of the maximumload supported by the galleries before collapse, which is presented in this study. In2021, a monitoring system was installed in one of the main frames of two snowgalleries built in the 1950s to follow up with temperature and displacements,including a trigger that sends out a warning message when a critical load isreached. A literature review on snow loads was performed, followed bycalculations on snow distribution on the galleries based on the Eurocodes andNational Swedish Standards. Finite element 2D and 3D models were created usingAxisVM to accurately assess the efforts in the structural elements. Analysis anddiscussion are complemented by observations from site visits. It was concludedthat the critical loads supported by the galleries are lower than the requirements oftoday’s standards, but since secondary construction elements were damagedbefore the main frames reached their full capacity, no major collapse has yet takenplace. The cobweb effect (load re-distribution between the neighboring elementsin a 3D structure) influenced the behavior of the galleries in the 3D analysis and thecapacity of the main frames proved to be significantly increased compared to the2D assessment.

sted, utgiver, år, opplag, sider
Frontiers Media S.A., 2024. Vol. 9
HSV kategori
Forskningsprogram
Byggkonstruktion; Drift och underhållsteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-103663DOI: 10.3389/fbuil.2023.1308401ISI: 001153302500001Scopus ID: 2-s2.0-85182688757OAI: oai:DiVA.org:ltu-103663DiVA, id: diva2:1827894
Forskningsfinansiär
Vinnova, 2021-02456
Merknad

Validerad;2024;Nivå 2;2024-01-19 (signyg);

Licens full text: CC BY 4.0

Tilgjengelig fra: 2024-01-15 Laget: 2024-01-15 Sist oppdatert: 2024-05-02bibliografisk kontrollert
Inngår i avhandling
1. Digital Twins for Asset Management of Civil Structures: Can we close the gap between perceived potential and practical applications?
Åpne denne publikasjonen i ny fane eller vindu >>Digital Twins for Asset Management of Civil Structures: Can we close the gap between perceived potential and practical applications?
2024 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Luleå: Luleå University of Technology, 2024
Serie
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544
HSV kategori
Forskningsprogram
Byggkonstruktion
Identifikatorer
urn:nbn:se:ltu:diva-105312 (URN)978-91-8048-562-3 (ISBN)978-91-8048-563-0 (ISBN)
Disputas
2024-09-17, E632, Luleå University of Technology, Luleå, 10:00 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2024-05-02 Laget: 2024-05-02 Sist oppdatert: 2024-06-05bibliografisk kontrollert

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Saback, VanessaGonzalez-Libreros, JaimeDaescu, CosminPopescu, CosminGarmabaki, Amir SoleimaniSas, Gabriel

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