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Wind and Structures
  Volume 3, Number 4, December 2000 , pages 279-289

Wind load combinations and extreme pressure distributions on low-rise buildings
Yukio Tamura, Hirotoshi Kikuchi and Kazuki Hibi(Japan)

    The main purpose of this paper is to demonstrate the necessity of considering wind loadrncombinations even for low-rise buildings. It first discusses the overall quasi-static wind load effects andrntheir combinations to be considered in structural design of low-rise buildings. It was found that the maximumrntorsional moment closely correlates with the maximum along-wind base shear. It was also found that therninstantaneous pressure distribution causing the maximum along-wind base shear was quite similar to thatrncausing the maximum torsional moment, and that this asymmetric pressure pattern simultaneously accompaniesrnconsiderable across-wind and torsional components. Secondly, the actual wind pressure distributions causingrnmaximum quasi-static internal forces in the structural frames are conditionally sampled and their typical pressurernpatterns are presented.
Key Words
    wind load combination; low-rise buildings; quasi-static wind load; pressure distrubution; along-wind base shear; across-wind base shear; torsional moment.
Yukio Tamura, Department of Architectural Engineering, TIP, 1583 Iiyama, Astugi, JapanrnHirotoshi Kikuchi and Kazuki Hibi, RIT, Shimizu Corporation, Etchujima 3-4-17, Koto-ku, Tokyo, Japan

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