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- Petrich, ChristianNorut Northern Research Institute, Narvik (author)
Time-dependent spatial distribution of thermal stresses in the ice cover of a small reservoir
- Article/chapterEnglish2015
Publisher, publication year, extent ...
- Elsevier BV,2015
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:ltu-3218
- https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-3218URI
- https://doi.org/10.1016/j.coldregions.2015.09.003DOI
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- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Validerad; 2015; Nivå 2; 20150914 (andbra)
- Static ice loads (ice actions) are a key design parameter for dams in cold climates. However, their theoretical description is still elusive, introducing uncertainty in design and hindering development of remediation measures. We present and analyze measurements of stresses due to thermal loads in a small reservoir in northern Norway. Several weeks of observations, including both cold and warm spells, were well-described by a simple equation that accounts for thermal expansion and temperature-dependent creep. One model parameter was found to depend systematically on the location of measurements within the reservoir. Biaxial stress measurements showed that the stress field was not homogeneous. Results suggest that the stress field in reservoirs should be predictable from first principles with numerical methods and point toward a promising, simple parameterization.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Samhällsbyggnadsteknik Infrastrukturteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Civil Engineering Infrastructure Engineering hsv//eng
- Structural Engineering
- Konstruktionsteknik
Added entries (persons, corporate bodies, meetings, titles ...)
- Sæther, IrinaNorut Northern Research Institute, Narvik (author)
- Fransson, LennartLuleå tekniska universitet,Byggkonstruktion och -produktion(Swepub:ltu)frans (author)
- Sand, BjörnarNorut Northern Research Institute, Narvik (author)
- Arntsen, BårdNorut Northern Research Institute, Narvik (author)
- Norut Northern Research Institute, NarvikByggkonstruktion och -produktion (creator_code:org_t)
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- In:Cold Regions Science and Technology: Elsevier BV120, s. 35-440165-232X1872-7441
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