Mathematics – Logic
Scientific paper
Nov 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006rspta.364.3007g&link_type=abstract
Royal Society of London Transactions Series A, vol. 364, Issue 1848, p.3007-3034
Mathematics
Logic
21
Overhead Lines Wind And Iceloads Models Iceload Measurements Probabilistic Methods Topography
Scientific paper
Ice and wet-snow design loads affect the investment costs and the potential maintenance costs for overhead lines more than any other single loading case in most countries exposed to snow and freezing temperatures during winter. The dependence of ice loads on investment costs for both steel towers and wood poles as well as the climatic variations of icing are shown. The paper summarizes the need for such data and refers to IEC recommendations for procedures and measurements of loads, especially as probabilistic methods for design require more comprehensive information on ice accretions on overhead lines, including variations due to conductor configurations. Icing information from icing models based on general meteorological data is summarized, including the potential for future application of atmospheric boundary-layer models as used by weather forecasting centres. A methodology for handling some topographic influences is introduced. The paper concludes with two case studies, one for glaze ice and one for wet-snow loadings. Keywords: OVERHEAD LINES WIND AND ICELOADS MODELS ICELOAD MEASUREMENTS PROBABILISTIC METHODS TOPOGRAPHY Full Text Access Full Text Available The full text of this article is available. You may view the article as (a): PDF Although it may be a lengthier download, this is the most authoritative online format. Open: Entire document One page at a time
et. al.
Gerlich Dieter
Hlavenka P.
Windisch F.
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