Wind Induced Lateral‐Torsional Motion of Buildings
Publication: Journal of Structural Engineering
Volume 111, Issue 10
Abstract
Fluctuating wind forces on tall buildings can cause excessive building motion that may be disturbing to the occupants. A method to relate dynamic alongwind, acrosswind, and torsional forces acting on square isolated buildings to building accelerations is developed using random vibration theory. Wind tunnel test data are analyzed to determine the spectra of force components and correlations among the different components of force. The effects on building vibration of statistical correlations among components of force and mechanical coupling of components of motion introduced by eccentricities of the centers of mass and rigidity from the building centroid are examined. Comparison are made with more common building analyses, where the forces are assumed to be statistically uncorrelated and the components of motion are assumed to be uncoupled.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 111 • Issue 10 • October 1985
Pages: 2197 - 2213
Copyright
Copyright © 1985 ASCE.
History
Published online: Oct 1, 1985
Published in print: Oct 1985
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