Compaction Properties of Wet Snow

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  • MURO Tatsuro
    Dep. of General Constructive Engineering, Faculty of Engineering, Fukui University

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  • 湿り雪の締固め特性
  • シメリ ユキ ノ シメカタメ トクセイ

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Abstract

Mechanical properties of artificially compacted wet snow in Fukui City were studied to provide basic data for the trafficability of oversnow vehicles. The bulk density of wet snow compacted under constant energy increases monotonously with the increase of water content, while the dry bulk density remained constant. These phenomena are different from soil materials. The cone resistance of wet snow compacted under constant energy varies with water content and density of snow, giving maximum values at 8 % of water content, and at 0.62 g/cm3 of wet density. The maximum value decreases mainly with the increase of grain-size of snow particles. The cone resistance of wet snow having a constant water content and grain size increases exponentially with the density of snow.

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