Wind force coefficients for designing free-standing canopy roofs

Yasushi Uematsu, Eri Gavanski, Theodore Stathopoulos

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Wind loads on free-standing canopy roofs have been studied experimentally. Three types of roof geometries, i.e. gable, troughed and mono-sloped roofs were tested. Wind pressures were measured simultaneously at many points both on the top and bottom surfaces of the roof model for various wind directions. Based on the results for the most critical positive and negative peak pressure coefficients irrespective of wind direction, the wind force coefficients for the design of cladding and its immediately supporting structures are proposed. Correlation between the wind force and moment coefficients is investigated, and appropriate wind force coefficients for the design of main wind force resisting systems are proposed. Axial forces in the columns supporting the roof are regarded as the most important load effect. Two loading patterns causing maximum tension and compression of columns are considered.

Original languageEnglish
Pages (from-to)1486-1510
Number of pages25
JournalJournal of Wind Engineering and Industrial Aerodynamics
Volume95
Issue number9-11
DOIs
Publication statusPublished - 2007 Oct

Keywords

  • Codification
  • Design wind load
  • Free-standing canopy roof
  • Wind tunnel experiment

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Renewable Energy, Sustainability and the Environment
  • Mechanical Engineering

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