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Wind Effects on Tall Buildings: A Database-Assisted Design Approach



William P. Fritz, Emil Simiu


A rigorous procedure that calculates wind-induced effects on tall buildings is presented. The method, an extension of Database-Assisted Design (DAD), uses sets of time histories of pressures recorded simultaneously in the wind tunnel at a large number of taps on the building model surface. The procedure produces time histories and peaks of requisite design functions used directly for the design of structural members. The procedure takes into account the effect of non-coincidence between elastic and mass centers, as well as the joint effect of the dependence upon direction of the extreme wind speeds, the aerodynamic pressures, and the dynamic response. Peaks of design functions are used to estimate mean recurrence intervals of wind effects specified for structural design. A brief review of modal and dynamic analysis of buildings is provided as background material as related to DAD for tall buildings. A numerical example for a 66-story building illustrates the procedure.


building technology, database-assisted design, tall buildings, wind effects, wind loads


Fritz, W. and Simiu, E. (2017), Wind Effects on Tall Buildings: A Database-Assisted Design Approach, ASCE (Accessed June 19, 2024)


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Created February 19, 2017