Mean Wind Profiles and Change of Terrain Roughness

by Jacques Bietry, Ingenieur en Chef des Ponts et Chaussees; Centre Scientifique et Technique du Batiment, Etablissement de Nantes, Nantes, France,
Emil Simiu, (M.ASCE), Struct. Research Engr.; Center for Building Tech., National Bureau of Standards, Washington, D.C.,
Christian Sacre, Research Engr.; Centre Scientifique et Technique du Batiment, Etablissement de Nantes, Nantes, France,


Serial Information: Journal of the Structural Division, 1978, Vol. 104, Issue 10, Pg. 1585-1593


Document Type: Journal Paper

Discussion: Counihan James (See full record)
Closure: (See full record)

Abstract: Information is presented on the wind structure in established flow over terrains with various roughness characteristics (open water, open terrain, suburban terrain, towns, centers of large cities). Based on recent results of theoretical and experimental meteorological studies a simple procedure is then proposed, enabling the designer to assess the effect upon the mean wind profile of a roughness change upwind of the structure under consideration. The procedure, which is approximate but adequate for structural engineering purposes, is then illustrated in a numerical example.

Subject Headings: Terrain | Wind engineering | Hydraulic roughness | Information management | Water flow | Suburbs | Meteorology

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