Mean Wind Pressure Field on the Typical Large-Span Roof Structures

Fang Hui Li; Ming Gu; Zhen Hua Ni; Shi Zhao Shen

doi:10.4028/www.scientific.net/AMM.166-169.19

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 166-169Mean Wind Pressure Field on the Typical Large-Span...

Mean Wind Pressure Field on the Typical Large-Span Roof Structures

Abstract:

The wind tunnel tests of some typical large roofs, including a saddle roof, pitched roof and domes, are carried out with various terrains which cover suburban and urban exposures. The wind pressure data of roofs are obtained by using the synchronous multi-pressure scanning technique. The wind pressure coefficient and local shape factors of the wind load was investigated. The effects of various terrains on wind pressures of roofs are discussed. From the results, we can see mean pressures of these roofs exposed to the mean pressures exposed to the suburban terrain are 2 or 3 times those exposed to the urban terrain. And the terrains are no directly influence to the wind pressure shape factors.

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Periodical:

Applied Mechanics and Materials (Volumes 166-169)

Pages:

19-24

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.166-169.19

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Online since:

May 2012

Authors:

Fang Hui Li, Ming Gu, Zhen Hua Ni, Shi Zhao Shen

Keywords:

Dome, Large-Span Roof, Pitched Roof, Wind Pressure, Wind Tunnel Test

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