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Ice loads on a lattice tower estimated by weather station data
Luleå tekniska universitet.
VIT Building Technology.
1998 (English)In: Journal of applied meteorology (1988), ISSN 0894-8763, E-ISSN 1520-0450, Vol. 37, no 5, p. 523-529Article in journal (Refereed) Published
Abstract [en]

Atmospheric ice loads are a major design criterion of tall structures in cold regions. In this paper the possibility to derive the design ice loads using analysis of meteorological observations made routinely at a weather station is studied. Ice loads calculated by extrapolating weather station data and using simplistic ice loading and unloading models are compared with those measured on a 323-m-height lattice TV tower. The comparison is made cumulatively in 3-h intervals over seven winter periods. The results show reasonable agreement in the time of the icing events and in overall loads. In the cases where the cumulative ice loads differ, the discrepancies are mostly due to incorrectly predicted unloading events. This study points out the importance of on-site temperature data for successfully estimating cumulative ice loads over long cold periods.

Place, publisher, year, edition, pages
1998. Vol. 37, no 5, p. 523-529
National Category
Water Engineering
Research subject
Urban Water Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-4060DOI: 10.1175/1520-0450(1998)0372.0.CO;2Local ID: 1ec75ad0-fcaf-11dc-a946-000ea68e967bOAI: oai:DiVA.org:ltu-4060DiVA: diva2:976922
Note
Godkänd; 1998; 20080328 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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