Wind Loads and Building Response Predictions Using Force Balance Techniques

by Timothy A. Reinhold, Applied Research Engineering, Services Inc, Raleigh, NC, USA,
Ahsan Kareem, Applied Research Engineering, Services Inc, Raleigh, NC, USA,

Document Type: Proceeding Paper

Part of: Dynamic Response of Structures


The use of force balance techniques to measure mean and dynamic wind loads on models of buildings and structures is discussed. Advantages of using force balance techniques over estimating wind loads from the integration of mean surface pressures or aeroelastic tests and limitations associated with the inherent use of approximate mode shapes and the omission of aeroelastic effects are discussed. Advanced features, such as mode shape corrections and coupled lateral-torsional response estimates are presented. Second generation force balance techniques are outlined.

Subject Headings: Wind loads | Dynamic loads | Buildings | Dynamic structural analysis | Aeroelasticity | Wind tunnel | Torsion

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