Wind Pressures On Buildings
Originally published October 1962, revised May 1968
W. A. Dalgliesh and W. R. Schriever
Wind is one of the significant forces of nature that must be considered in the design of buildings. Structural loads applied by high winds are readily appreciated, even if the method of determining them is not so easily understood. Other effects that can be caused even by moderate breezes are commonly overlooked, however, because very often there is no obvious link between wind and the behaviour of a building.
Masonry walls may be displaced by ice accumulating in the wall as a result of moisture-laden air drawn out of a building under the action of wind suction. Rain leakage around flashings and through joints in curtain walls may be due to a pressure gradient across the wall, and the functioning of ventilating and heating systems may be affected by pressure distributions where ducts and openings are located.
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