2004•Jiegou GongchengshiRequires access

Exper iental Study and Comparison Analysis on Wind Load of a Large Span Cantilever Roof

Ming Gu

Abstract

In this paper,a wind tunnel test of a large span cantilever roof model is carried out in TJ-2 Boundary Layer Wind Tunnel to investigate the wind loads on the roof. The characteristics of wind pressure distributions at different work conditions show that the neighboring buildings have significant aerodynamic interference effects. In addition,the characteristics of wind pressure distributions on the roof with the openings at the top are studied,which indicates that the wind loads on the roof reduce to some extents with the openings.

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Key concepts: Roof, Cantilever, Wind tunnel, Wind engineering, Aerodynamics, Span (engineering), Structural engineering, Wind gradient