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Design criteria and location of snow fences

Norem, Harald
Journal article
Published version
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Norem(1984)Design.pdf (Locked)
URI
https://hdl.handle.net/11250/3100026
Date
1985
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  • NGI articles [1175]
Abstract
The paper describes experience gained in Norway regarding the design criteria and use in practice of snow fences . The paper is based on theoretical studies on drifting snow, model experiments and experience accumulated through practical consulting work. Snow fence design is a compromise between the storage capacity and mmlmlzation of dimensioning forces . Design considerations include fence height H, total snow fence density, and the gap between ground and fence. A gap of 0.15H - 0.2H and a total density of 45% are usually recommended. On ridge crests the gap can be reduced to O.lH and in areas where snow depths exceed 2.0 m, it can be increased to O.3H. In such cases the fence density should be varied such that the total density, including the gap, will remain near 4S%. The height of the snow fences should be kept within 3.S - 4.5 m and the snow fences should be erected on the windward side of obstacles that create snowdrifts. The minimum distance from fence to road should not be less than ISH; in certain circumstances in coastal climate, this can be reduced to 10H.
Publisher
International Glaciological Society
Journal
Annals of Glaciology
Copyright
International Glaciological Society

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