Statistical treatment of peak gusts on cladding

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Journal titleASCE Journal of the Structural Division
Pages21732187; # of pages: 15
Subjectcladding products; wind loads; high rise buildings; air flow; wakes; field tests; aerodynamics; buildings; field testing; gust loads; random processes; structural engineering; walls; wind pressure; Air flow/Wind pressure
AbstractDesign methods based on a statistical approach to the prediction of dynamic effects of wind on frameworks of tall buildings are steadily gaining acceptance. Similar concepts can be applied to wind loads on cladding, although there are important differences such as exposure, size, and dynamic properties of the elements considered. Wind pressures and suctions at several points on a tall building recorded during strong winds are used to study the problem of predicting peak gust loads on windows and cladding elements. The statistical approach to the prediction of peak gusts, based on random process theory, is investigated. Measured peak pressures are compared to values calculated by a simple wind gust factor method and by a more detailed gust effect factor method. It is concluded that the gust effect factor method is preferable because it promotes a better understanding of peak pressures, but further field data and experimentation are needed before entirely satisfactory design estimates can be made.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number12013
NPARC number20374799
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Record identifier2eca6f6b-dfba-4dbd-8bd2-d859d8c245aa
Record created2012-07-23
Record modified2016-05-09
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