Aerodynamics of Tall Building Clusters

Abstract. The article deals with wind loads influencing clusters of adjacent tall buildings. The results are based on simulation tests carried out in special wind tunnels. The paper considers the effects of the mean component of the wind load on buildings and the effect of peak wind loads influencing the building envelope’s structural elements.

The wind load is one of key factors in tall building design. A trend of recent decades is a retreat from the standard forms toward unique structures of intricate shapes. However, even simply shaped buildings being in a cluster may affect each other by both reducing and increasing the wind load.

It is well known that the wind load depends on a wind region, the roughness of the underlying surface (terrain type), surrounding buildings and the geometric form of the building geometry.

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Written by N.A. Popov, D.S. Bogachev (Central Research Institute of Building Constructions n. a. V. A. Kucherenko and JSC Research Center “Stroitelstvo”), M.M. Berezin (UNICON)