Gust Factors for Hyperbolic Cooling Towers

by Mahendra P. Singh, (M.ASCE), Sr. Struct. Analyst; Sargent & Lundy, Chicago, Ill.,
Ajaya K. Gupta, (M.ASCE), Sr. Engrg. Analyst; Sargent & Lundy, Chicago, Ill.,

Serial Information: Journal of the Structural Division, 1976, Vol. 102, Issue 2, Pg. 371-386

Document Type: Journal Paper


The wind pressure distribution and dynamic behavior of hyperbolic cooling towers are significantly different from those of simple slender structures. Therefore, the gust response factors developed for design of these simple structures may not be applicable to cooling towers. A method which considers the dynamic interaction of the wind and tower is presented to obtain the gust factors for cooling tower design. Wind pressure distribution measurements made on model towers in wind tunnels are used. Simplifying assumptions are made concerning the correlation characteristics of wind pressure on a tower surface. Effect of change in wind and tower parameters on gust factors is examined.

Subject Headings: Wind pressure | Pressure distribution | Wind gusts | Cooling towers | Dynamic pressure | Structural behavior | Dynamic response | Structural dynamics

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