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采用风洞试验方法获得了呈平面S形布置的高层建筑的整体体型系数,探讨由于伸缩缝的设置使得在设计中变成两栋独立建筑后,两幢塔楼的整体体型系数,并分析了其分布规律,供设计参考。研究发现,整体体型系数沿高度递减;S型高层建筑风荷载作用在短轴方向时,其整体体型系数较大,须引起设计的重视;考虑伸缩缝后,每个塔楼在两栋塔楼邻接面的风压为0,即相当于只受三个面的风荷载。
The overall body coefficient of high-rise building with a flat S-shaped layout was obtained by wind tunnel test. The overall body coefficient of the two towers after the expansion joints were set to two independent buildings was discussed. Distribution rules for design reference. The study found that the overall body coefficient decreases along the height; S-shaped high-rise wind load in the direction of the short axis, the larger body factor, to be caused by the design of attention; consider the expansion joints, each tower adjacent to the two towers The wind pressure is 0, which is equivalent to only three wind loads.