- 摘 要
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武 岳1 向 陽(yáng)2 沈世釗1（1 哈爾濱工業(yè)大學(xué) 150090； 2 光翌空間膜技術(shù)工程有限公司 北京 101300)
[提要] 介紹了威海體育場(chǎng)看臺(tái)挑篷索膜結(jié)構(gòu)風(fēng)洞測(cè)壓試驗(yàn)結(jié)果，分析了其風(fēng)壓分布的特點(diǎn)，并給出了可供實(shí)際結(jié)構(gòu)計(jì)算時(shí)參考的風(fēng)荷載值。試驗(yàn)研究表明，對(duì)于這種大型、復(fù)雜、對(duì)風(fēng)荷載作用敏感的結(jié)構(gòu)，進(jìn)行系統(tǒng)的風(fēng)荷載試驗(yàn)與研究是十分必要的。
[關(guān)鍵詞] 挑篷 索膜結(jié)構(gòu) 風(fēng)洞試驗(yàn) 風(fēng)壓體型系數(shù)Weihai palaestra is an innovative multi-purpose facility that can accommodate 30 000 spectators. The roof of the palaestra is a saddle-shaped ring that is a cantilevered spatial structure, which is made up of 34 umbrella-like membrane structures. Due to long-span roofs are vulnerable to wind load, particular attention was given to the Weihai palaestra to accurately determine the wind coefficient of the overhanging roof by wind tunnel test. Also some suggestions on the saddle-shaped roof design to avoid the damage from wind load are given.
Keywords: saddle-shaped cantilever roof; wind tunnel test; wind coefficient
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