新型超高层节能建筑抗风研究
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摘要
在大气边界层风洞进行了"珠江城"商务写字楼大比例尺(1:150)模型风洞试验,通过对风洞试验数据分析,获得了基础等效静风荷载及结构顶部风致加速度响应。并将其结果与其它较小比例尺的两个风洞试验结果相对比,分析了模型几何缩尺比、周边建筑及平均风剖面对试验结果的影响。获得的结果可以为此结构设计提供风荷载,同时也为其他建筑的抗风设计和风洞实验提供技术参考。
Wind tunnel test for Pearl River Tower with a large scale model(1:150) was conducted in a boundary layer wind tunnel.This paper presents some selected results of the base equivalent static wind loads and wind-induced acceleration responses from the analysis of the data obtained in the wind tunnel test.In addition,the results from two previously conducted wind tunnel tests with smaller scales of the building models are used for comparative study,and the effects of geometry scale ratios,surrounding building conditions,and mean wind speed profile are investigated.The outcomes of this study are expected to be useful to determine the wind loads on the tall building in the design stage,and also provide guidelines for the design and wind tunnel tests for other similar structures in the future.
Wind tunnel test for Pearl River Tower with a large scale model(1:150) was conducted in a boundary layer wind tunnel.This paper presents some selected results of the base equivalent static wind loads and wind-induced acceleration responses from the analysis of the data obtained in the wind tunnel test.In addition,the results from two previously conducted wind tunnel tests with smaller scales of the building models are used for comparative study,and the effects of geometry scale ratios,surrounding building conditions,and mean wind speed profile are investigated.The outcomes of this study are expected to be useful to determine the wind loads on the tall building in the design stage,and also provide guidelines for the design and wind tunnel tests for other similar structures in the future.
引文
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[14]李桂青,李秋胜.工程结构时变可靠度理论及应用[M].北京:科学出版社,2001:71-93.
[15]Claes Dyrbye,Svend O.Hansen.Wind loads on structures[M].China Architecture&Building Press,2006:45-68.
[16]杨志勇,李创第,李桂青,等.随机阻尼对结构抗风抗震动力响应的影响[J].地震工程与工程振动,2000,20(2):25-28.YANG Zhiyong,LI Chuangdi,LI Guiqing,et al.Effect of wind and earthquake loading on structural response with uncertain damping[J].Jour-nal of Earthquake Engineering and Engineering Vibration,2000,20(2):25-28.(in Chinese)
[17]JGJ3-2002《高层建筑混凝土结构技术规程》[S].北京:中国建筑工业出版社,2002.JGJ 3-2002 Technical Specification for Concrete Structures of Tall Building[S].China Architecture&Building Press,2002.(in Chinese)
[2]Jun Li.Towards a low-carbon future in China’s building sector-A review of energy and climate models forecast[J].Energy Policy,2008,36:1736-1747.
[3]http://www.pvresources.com/en/bipven.php
[4]B.Christina.Urban wind energy-state of the art of 2009[R].Denmark:RisΦNational Laboratory for Sustainable Energy Technical University ofDenmark,2009.
[5]R.Denoon,B.Cochran,D.Banks,G.Wood.Harvesting wind power from tall buildings[C]//Dubai:CTBUH 8th World Congress,2008.
[6]Rowan Williams Davies&Irwin Inc.Wind-induced structural responses Pear River Tower[R].Ontario,Canada:Rowan Williams Davies&IrwinInc.,2007.
[7]谢状宁,倪振华,石碧青.广州市珠江城风洞试验和风振分析报告[R].汕头:汕头大学风洞试验室,2007.
[8]李秋胜,李永贵,陈伏彬等.风能发电在超高层建筑中的应用研究[C]//第十四届全国结构风工程学术会议论文集,北京,2009:801-805.
[9]李秋胜,李永贵,陈伏彬,等.超高层建筑大雷诺数风洞试验研究[C]//第十四届全国结构风工程学术会议论文集,北京,2009:302-306.
[10]李秋胜,李永贵,陈伏彬,等.超高层建筑的风荷载及风能发电的应用研究.土木工程学报[J].2011,44(7):29-36.LI Qiusheng,LI Yonggui,CHEN Fubin,et.al.Wind load on a super tall building and feasibility study of wind power generation[J].China CivilEngineering Journal,2011,44(7):29-36.(in Chinese)
[11]赵松林.新型超高层结构体系的抗风设计研究[J].山西建筑,2009,35(23):45-46.ZHAO Songlin.Investigation on wind-resistant design of new super-tall building structure system[J].Shanxi Architecture,2009,35(23):45-46.(in Chinese)
[12]GB5009-2001《建筑结构荷载规范》[S].北京:中国建筑工业出版社,2006.GB50009-2001 Load Code for the Design of Building Structures[S].China Architecture&Building Press,2006.(in Chinese)
[13]E.Simiu,R.H.Scanlan.Wind effects on structures:fundamentals and applications to design[M].New York:Wiley,1996:111-192.
[14]李桂青,李秋胜.工程结构时变可靠度理论及应用[M].北京:科学出版社,2001:71-93.
[15]Claes Dyrbye,Svend O.Hansen.Wind loads on structures[M].China Architecture&Building Press,2006:45-68.
[16]杨志勇,李创第,李桂青,等.随机阻尼对结构抗风抗震动力响应的影响[J].地震工程与工程振动,2000,20(2):25-28.YANG Zhiyong,LI Chuangdi,LI Guiqing,et al.Effect of wind and earthquake loading on structural response with uncertain damping[J].Jour-nal of Earthquake Engineering and Engineering Vibration,2000,20(2):25-28.(in Chinese)
[17]JGJ3-2002《高层建筑混凝土结构技术规程》[S].北京:中国建筑工业出版社,2002.JGJ 3-2002 Technical Specification for Concrete Structures of Tall Building[S].China Architecture&Building Press,2002.(in Chinese)
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