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The CBR Test Applied to Processed and Compacted Snow

by Wilbur M. Haas, Michigan Technological Univ, Civil, Engineering Dep, Houghton, MI, USA,
Mark W. Bott, Michigan Technological Univ, Civil, Engineering Dep, Houghton, MI, USA,



Document Type: Proceeding Paper

Part of: Cold Regions Engineering

Abstract:

The processes used during the past two decades to improve the snow bear a modest resemblance to conventional flexible pavement construction, thus the field CBR (California Bearing Ratio) test has been used to quantify the effectiveness of the construction process. While these earlier studies indicate a relationship between the CBR and the bulk density of snow, the data are limited to a density range of about 30 to 38 pcf. The authors extended this range by compacting new snow during March and April 1985. When these results are combined with the work of previous investigations, a stronger relationship between snow density and CBR is evident.

Subject Headings: Snow | Penetration tests | Material properties | Highway engineering | Materials engineering | Highways and roads | Construction management

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