Force reduction factors for the seismic provisions of the National Building Code of Canada

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AuthorSearch for:
TypeArticle
Journal titleCanadian Journal of Civil Engineering
ISSN0315-1468
Volume14
Issue4
Pages447454; # of pages: 8
SubjectEarthquakes; seismic loads; earthquake engineering; building codes; nbcc 1985; classification of seismic actions; limit states; load factor changes; classification of structural configurations; response modification factors; applied technology council; earthquake resistant structures; loads; charge sismique; calcul parasismique; code de bâtiment
AbstractA derivation of force reduction factors for the seismic provisions of the National Building Code of Canada (NBCC), 1985, is presented. This includes the following: classification of seismic actions, applicable limit states, change in load factor, derivation of force reduction factors, and classification of structural configurations. Quantitative comparisons are made between the derived force reduction factors and the response modification factors of the Applied Technology Council and good agreement was found. It is suggested that seismic requirements should be considered as accidental actions with a load factor aq = 1. 0. These results can form the basis for possible modifications to the 1985 NBCC seismic provisions.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierIRC-P-1519
NRC number28773
4551
NPARC number20359137
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Record identifier8ca60b02-0b99-4351-af1b-0943cffbb1a4
Record created2012-07-20
Record modified2016-05-09
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