舟山市体育中心体育场看台钢挑棚抗风试验与分析  

WIND RESISTANCE TEST AND ANALYSIS OF THE STEEL CANOPY OF STANDS OF ZHOUSHAN SPORTS CENTER

作　　者：余佳亮[1] 刘国民[1] 秦从律[1] 罗尧治[2] 王煜成[2] 沈雁彬[2] 

机构地区：[1]浙江大学建筑设计研究院有限公司,杭州310028 [2]浙江大学空间结构研究中心,杭州310058

出　　处：《钢结构》2016年第7期42-45,共4页Steel Construction

摘　　要：对舟山市体育中心体育场看台挑棚进行了风洞试验,获得挑棚上、下表面的风载体型系数。试验结果表明,在不同风向角作用下,挑棚承受的风荷载作用合力方向会发生变化;看台会显著改变挑棚下表面风载体型系数分布,结构抗风设计时须考虑看台的影响。直接采用风洞试验得到的脉动风压对挑棚结构进行了风致动力响应分析,获得风振系数,为结构抗风设计提供依据。分析了挑棚结构在风荷载作用下的受力及变形,研究了抗风支座的构造措施,保证结构的安全可靠。Based on the wind tunnel test,wind-load shape coefficient of the steel canopy of stands of Zhoushan Sports Center was obtained. The results showed that the direction of wind load of the steel canopy would change at different wind angles. The distribution of wind-load shape coefficient for the lower surface of steel canopy could be significantly changed because of the stands,which should be considered into the wind resistant design. Using the time-history of wind pressure from test,wind-induced vibration response of the canopy structure was analyzed,and the wind vibration coefficient was obtained to provide the basis for structure design. The internal force and deformation under wind load of the canopy structure was analyzed,and the construction measures for the supporting joint were studied to ensure the safety and reliability of the structure.

关 键 词：体育场挑棚 风洞试验 体型系数 风振系数 抗风分析 

分 类 号：TU312.1[建筑科学—结构工程]