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A New Proposal of Design Wind Loads for Beams Supporting Long-Span Roofs

by Yukio Tamura, Tokyo Inst of Polytechnics, Japan,
Kunio Fujii, Tokyo Inst of Polytechnics, Japan,
Hiroshi Ueda, Tokyo Inst of Polytechnics, Japan,



Document Type: Proceeding Paper

Part of: Structural Design, Analysis and Testing

Abstract:

The wind tunnel testings of wind pressures acting on long-span roofs are carried out. Dynamic wind pressures are measured simultaneously at a lot of points on the roofs. The instantaneous bending moments and shear forces of beams are computed, and the maximum load effects are evaluated. Then, the equivalent design wind pressure coefficients which cause the maximum load effects are proposed, and the gust factors of the load effects are compared with the quasi-static assumptions. The various characteristics of the gust factors of the load effects are discussed.

Subject Headings: Wind pressure | Wind loads | Maximum loads | Wind tunnel | Load factors | Roofs | Dynamic pressure

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