- 摘 要
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1)广东省建筑设计研究院,广州,510010;2)华南理工大学建筑学院,广州,510641;3)汕头大学,510633。
[提要]通过风洞试验研究了截面为切角曲边三角形的连体双塔高层建筑的风荷载特性,并作单塔试验比较。将风压沿截面进行积分求出沿坐标轴方向的合力,然后反算为沿坐标轴方向的整体体型系数。结果显示:风压沿高度变化不大,整体体型系数沿高度递减。单塔最大体型系数对应风向角比坐标轴偏15°。双塔连线方向(x向)体型系数上游塔略小于单塔情形,下游塔基本为零, y向的体型系数略小于单塔y向的,连体部分体型系数达2.2。根据规范和试验结果,提出了类似工程合理的取值建议。
[关键词]风洞试验;风压分布;体型系数;双塔建筑;连体建筑
Wind Pressure Distribution on Twin-tower Tall Building with Space Corridor of Dongguan 1st Intl’ Project/Hou Jiajian1,2, Li Zhenzhang1, Xie Zhuangning3, Han Xiaolei2,Shi Biqing3 (1 The Architectural Design and Research Institute of Guangdong Province, Guangzhou 510010,China; 2 South China University of Science and Technology, Guangzhou 510641, China; 3 Shantou University, Shantou 510633,China)
Abstract: A wind tunnel test has been carried out to investigate the wind pressure distribution on the surface of a twin-tower and top