Preliminary Assessment of a Friction-Sleeve-Equipped Minipenetrometer

AbstractA hand-driven friction-sleeve-equipped minipenetrometer was assessed for its efficacy in determining snow physical properties. Numerous factors were investigated including the effect of penetration rate, penetrometer effective diameter, compaction ahead of the penetrometer, distance for repr...

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Bibliographic Details
Published in:Journal of cold regions engineering 2017-06, Vol.31 (2)
Main Authors: McCallum, Adrian, Looijen, Peter
Format: Article
Language:English
Subjects:
Effectiveness
Friction
Friction resistance
Measuring instruments
Penetration resistance
Penetrometers
Physical properties
Snow
Technical Papers
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Summary:AbstractA hand-driven friction-sleeve-equipped minipenetrometer was assessed for its efficacy in determining snow physical properties. Numerous factors were investigated including the effect of penetration rate, penetrometer effective diameter, compaction ahead of the penetrometer, distance for representative resistance to be mobilized, and the effect of snow density on penetrometer tip resistance and sleeve friction. Analysis suggests that consideration of additional friction-sleeve data may provide greater insight into snow physical properties compared to consideration of tip-resistance data alone. A friction-sleeve-equipped penetrometer provides valuable data in snow and firn beyond that obtainable through the use of a device measuring only penetrative resistance at the tip.
ISSN:0887-381X
1943-5495
DOI:10.1061/(ASCE)CR.1943-5495.0000122