Direct estimation of snow density from CPT
A recently devised correlation allows for the direct derivation of soil unit weight from CPT data qt and fs. However, the direct application of this technique to another geomaterial, snow, is not possible; the variable bonding within snow complicates the correlation. To examine the relationship betw...
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| Format: | Conference Object |
| Language: | English |
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CPT'14
2014
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| Online Access: | http://www.cpt14.com/cpt14-papers |
| Summary: | A recently devised correlation allows for the direct derivation of soil unit weight from CPT data qt and fs. However, the direct application of this technique to another geomaterial, snow, is not possible; the variable bonding within snow complicates the correlation. To examine the relationship between CPT data and snow unit weight, data from almost one hundred CPTs in Antarctica were analyzed. Snow unit weight is seen to vary with CPT sleeve friction and a significant relationship exists between CPT net sleeve friction data and snow unit weight. Variations in CPT tip resistance and sleeve friction data for polar snow of the same unit weight may provide insight into the microstructure or level of bonding within the snow pack. |
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