Performance of roof fasteners under simulated loading conditions

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TypeArticle
Journal titleJournal of Wind Engineering and Industrial Aerodynamics
Volume72
IssueNov-Dec.
Pages389400; # of pages: 12
SubjectWind loads
AbstractConventionally, in North America, design loads for roof attachment systems are determined through static testing. While presenting the development of a dynamic set up, this paper compares the fastener pullout loads under static and dynamic conditions. This has been systematically performed for steel and wooden decks under various fastening parameters. Experimental data have indicated that the fastener failure load and mode differ significantly under dynamic testing in comparison to static testing. With steel decks, the fastener pullout resistance decreased 30 to 50 percent under dynamic conditions, whereas results with wooden decks, the resistance decreased 10 to 30 percent. Therefore, for the design of mechanically attached roofing systems, one should use for the fasteners the allowable design load derived from dynamic testing. Preliminary investigations have also been carried out and further research efforts are in progress on the fastener service life predictions.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number42088
8624
NPARC number20331407
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Record identifier1221e2b9-022a-46cd-98cc-5742516d2ed3
Record created2012-07-18
Record modified2016-05-09
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