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Wind and Structures
  Volume 3, Number 4, December 2000 , pages 255-266

Generalization of wind-induced interference effects for two buildings
Atul C. Khanduri(U.S.A.), Theodore Stathopoulos and Claude Bedard(Canada)rn

    Wind-induced interference effects on a building are the result of one or more adjacentrnbuildings modifying the flow of wind around it, which may result in a significant increase or decrease inrnwind loads on the building. Wind loading standards and codes of practice offer little guidance to therndesigner for assessing the effects of interference. Experimental results on interference effects indicate thatrncode recommendations may be significantly low (unsafe) or uneconomically conservative. The paper presentsrnresults of an extensive experimental program to study the wind flow mechanisms and to quantify thernextent of wind load modifications on buildings due to interference effects. These results have beenrnsimplified and presented from the point-of-view of design and codification for the case of two buildings.rnBased on these results, general guidelines and limiting conditions defining wind interference are formulatedrnand discussed.
Key Words
    buildings; design; interference effects; shielding; wind loads; wind tunnel experiments.
Atul C. Khanduri, Risk Management Solutions Inc., 149 Commonwealth Drive, Menlo Park, CA 94025, USArnTheodore Stathopoulos and Claude Bedard, Centre for Building Studies, Concordia University, 1455 de Maisonneuve West, Montreal H3G 1M8, Canada

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