Determination of the natural periods of buildings

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TypeArticle
Journal titleBulletin of the Seismological Society of America
ISSN0037-1106
Volume54
Issue6
Pages17431756; # of pages: 14
SubjectEarthquakes; vibrations; seismology; buildings; wind; stiffness; Vibrations; Séisme; vibration (onde); seismologie; batiment; vent; raideur
AbstractRandom wind excitation has been used to find the first three modes of vibration of a nineteen-story building about the two major translational axes and the torsional axis of the building. Vibration records were obtained with Willmore electromagnetic seismometers feeding into a multichannel magnetic tape recorder. A harmonic analysis was then performed with the aid of an analogue computer to determine the first few vibration modes. Concurrently with the experimental program the building modes were computed two ways using different simplifying assumptions regarding the lateral stiffness of the structure.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-RP-229
NRC number8237
4545
NPARC number20358712
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Record identifierd1d068b6-4a3f-4a15-b6bf-bbb4a95238e8
Record created2012-07-20
Record modified2016-05-09
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