Loading tests on full scale house roofs

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Journal titleASTM Special Technical Publication
Pages6677; # of pages: 12
SubjectRoofing; Roofs
AbstractEarlier loading tests on single roof frames had shown that many conventional rafter-and-joist frames had failure loads well below the design snow loads specified in Canada. This suggested that either actual snow loads were lower than the design values or that the strength of individual roof frames do not indicate full strength of the complete roof. Consequently, a number of full-scale house roofs were load tested to failure in the laboratory to determine what additional strength is derived from the roof sheathing providing the roof with "folded plate action". The results indicate that on the whole most roofs do not derive much extra strength from the sheathing.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number6753
NPARC number20375276
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Record identifier6dcccc28-d42c-410f-b542-7340bd8502c8
Record created2012-07-23
Record modified2016-05-09
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