Deep snow in British Columbia: survey implications for the National Building Code of Canada

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DOIResolve DOI: http://doi.org/10.1139/cjce-24-2-169
AuthorSearch for:
TypeArticle
Journal titleCanadian Journal of Civil Engineering
Volume24
IssueApril 2
Pages169179; # of pages: 11
SubjectSnow and Ice loads; Codes & guides
AbstractThis article presents an overview of results from the 1980ñ1992 survey of snow loads and densities on roofs indeep snow areas of British Columbia with particular emphasis on results from an extensive survey at the ski village on Mt. Washington, Vancouver Island, where the 30-year return ground snow load is 21 kPa. The article makes recommendations for the design of buildings in deep snow areas and, of particular importance to designers, shows for the first time that the National Building Code of Canada (NBCC) procedure for obtaining design snow loads works for such areas. It also shows that the density of roof snow at high loads is about 400 kg/m3 (one third higher than average NBCC values) and that NBCC recommended roof loads at elevations above the tree line may be excessive. The article also makes suggestions for the management of deep snow on roofs based to a great extent on experience from Mt. Washington.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number41017
7627
NPARC number20338312
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Record identifiere9de2c72-00c1-4160-b8f5-ba2baccb5d09
Record created2012-07-19
Record modified2016-05-09
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