Methods to Control Wind-Induced Building Motions

by Ahsan Kareem, Univ of Notre Dame, United States,

Document Type: Proceeding Paper

Part of: Structures Congress XII


The wind-induced response of tall buildings can be controlled by global design modifications that can be placed in three broad categories, namely, design changes in structural systems, aerodynamic isolation, and provision of additional damping effects. Of all these modifications, the provision of additional damping has the least impact on the building design which is a highly desirable feature in design practice. The damping systems include passive and active systems. The passive systems may be further categorized based on their mechanism, i.e., mass or inertial effects and energy absorption systems. This paper highlights the key features of damping systems including some recent developments and future possibilities.

Subject Headings: Building design | Structural systems | Damping | Structural design | Wind forces | Wind engineering | Structural safety

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