Research Article
Jun 1982
Nonlinear Traveling-Wave Effects on Cooling Tower
Authors: John P. Wolf, M.ASCE, and Kurt M. BucherAuthor Affiliations
Publication: Journal of the Structural Division
Volume 108, Issue 6
Abstract
The dynamic response of a tall reinforced-concrete hyperbolic cooling tower which has been designed for vertically incident seismic waves, based on a linear analysis, is examined for horizontally propagating waves of the same amplitude. The nonlinear response is also calculated, taking the material law of the reinforcing steel and of the concrete in the columns as well as lift-off and slipping of the separate foundations into account. The global response is increased for retrograde waves and decreased for prograde waves. It is decreased in a nonlinear analysis for both types of waves. The local response is increased for retrograde and prograde waves and is in all cases larger in a nonlinear analysis than in the corresponding linear one. When checking the seismic response of the retrograde wave in a nonlinear analysis with the design determined for vertical incidence, the following applies: The foundations have to be strengthened, the reinforcement of the columns is unaffected, but its area would possibly have to be increased, and the reinforcement in the lower part of the shell is sufficient.
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Information
Published In
Journal of the Structural Division
Volume 108 • Issue 6 • June 1982
Pages: 1424 - 1439
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Jun 1982
Published online: Feb 1, 2021
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Authors
Affiliations
John P. Wolf, M.ASCE
Struct. Engr., Struct. Dynamics Div., Electrowatt Engrg. Services Ltd., Bellerivestrasse 36, Zurich, Switzerland
Kurt M. Bucher
Struct. Engr., Struct. Dynamics Div., Electrowatt Engrg. Services Ltd., Bellerivestrasse 36, Zurich, Switzerland
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