Conference,

INVESTIGATION OF COMBINED STRESS BY ICING AND WIND IN CZECHOSLOVAKIA

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(1976)

Abstract

The report deals with the investigation of a combined stress of the overhead electric lines by icing and wind The authors present a method of the measurement of icing at ice measuring stands over the territory of Czechoslovakia and give reasons for the unsufficient respect of individual climatic factors when designing and mounting the overhead electric lines. Basing themselves on the observations carried out at chosen stands during several years, they point out that, in several fields, the rules for designing the overhead electric lines should also imply assumptions which would fully respect the simultaneous action of icing and wind. The report also includes the examination of the existing HV transmission towers with regard to their combined stress, and the demarcation of security and reliability zones.

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