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Measurement of ice pressure on a concrete dam with a prototype ice load panel
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.ORCID iD: 0000-0003-2594-4107
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.ORCID iD: 0000-0003-3586-8988
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Luleå, Sweden.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.ORCID iD: 0000-0002-8152-6092
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2020 (English)In: Cold Regions Science and Technology, ISSN 0165-232X, E-ISSN 1872-7441, Vol. 170, article id 102923Article in journal (Refereed) Published
Abstract [en]

This paper presents the development and installation of a prototype ice load panel and measurements of ice load from February 2016 to February 2018 at the Rätan hydropower dam in Sweden. The design of the 1 × 3 m2 panel enables direct measurement of ice pressure on the concrete surface is based on previous experience from similar measurements with sea ice. Important features of the design are sufficient height and width to reduce scale effects and to cover the ice thickness and variations in water level. The Rätan dam was chosen based on several criteria so that the ice load is considered to be reasonably idealized against the dam structure.

For the three winters 2016, 2016/2017, 2017/2018, the maximum ice load recorded was 161 kN/m, 164 kN/m and 61 kN/m respectively. There were significant daily fluctuations during the cold winter months, and the daily peak ice loads showed a visual correlation with the daily average temperature and with the daily pattern of operation of the power station with its corresponding water level variations.

Place, publisher, year, edition, pages
Elsevier, 2020. Vol. 170, article id 102923
National Category
Engineering and Technology Building Technologies
Research subject
Civil and Architectural Engineering, Structural Engineering and Bridges
Identifiers
URN: urn:nbn:se:kth:diva-264210DOI: 10.1016/j.coldregions.2019.102923ISI: 000506666000001Scopus ID: 2-s2.0-85075037308OAI: oai:DiVA.org:kth-264210DiVA, id: diva2:1372424
Note

QC 20191125

Available from: 2019-11-23 Created: 2019-11-23 Last updated: 2020-02-14Bibliographically approved

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Hellgren, RikardMalm, RichardJohansson, FredrikWestberg Wilde, Marie

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