Comparison of snow pressure measurements and theoretical predictions

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TypeArticle
Journal titleCanadian Geotechnical Journal
ISSN0008-3674
Volume21
Issue2
Pages250258; # of pages: 9
Subjectsnow loads; creep; avalanches; snow (snowfall); snow pressure; creep; viscous, plane-strain; finite element calculations; fluage; avalanche; neige (precipitation)
AbstractMeasurements of snow creep pressures from the centre section of a 3.4 m high and 15 m long avalanche-defence supporting structure located on a mountain in western Norway are presented. The site has a deep snow cover and an average slope angle of 25 degrees. The measurement configuration corresponds to plane-strain conditions and the data, along with measured snowpack parameters, allow comparison with simple theoretical predictions. The analysis shows that the average pressure on the structure may be calculated fairly accurately using linear, viscous modelling for the snow deformation. The maximum pressures proved to be higher than that provided by a linear model and this is considered characteristic of nonlinear material. The implications of these results for estimates of design loads are discussed.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierDBR-P-1175
NRC number23115
139
NPARC number20378805
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Record identifier1659c46a-6164-413b-8a98-510610447c11
Record created2012-07-24
Record modified2016-05-09
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