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（浙江大學(xué)空間結(jié)構(gòu)研究中心 杭州  310027）
【提要】 脊谷式索膜結(jié)構(gòu)為類似雙坡屋蓋的空間曲面造型，具有風(fēng)敏感性。結(jié)合臺州大學(xué)風(fēng)雨操場屋蓋的風(fēng)洞試驗進行研究，通過分塊體型系數(shù)和局部風(fēng)壓體型系數(shù)分析了該類結(jié)構(gòu)的表面風(fēng)荷載分布特性，并與相關(guān)規(guī)范進行比較，得出一些適用于設(shè)計的建議。
【關(guān)鍵詞】 脊谷式索膜屋蓋 風(fēng)洞試驗 分塊體型系數(shù) 局部風(fēng)壓體型系數(shù)
Experimental Investigation on Characteristics of  Wind  Loads on Tilt Membrane Roof/
Zhang Yi， Guan Fuling， Ma Yanhong(Space Structure Center of Zhejiang University, Hangzhou 310027, China)
Abstract:Tilt membrane roof is of curved surface and twopitch  and s
ensitive to wind loads. Based on the wind tunnel investigation of a gym tilt mem
brane roof, the characteristics of wind loads on the roof are discussed through
block cofficient of body conformation and local coefficient of body conformation
. The test results are  compared with the load code, and some suggestion are put
 forward for the related design work.
Keywords:tilt membrane roof；wind load experiment；block coefficient；local coefficient;b
ody conformation