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Evaluation of Wind Induced Interference Effects on Shape Remodeled Tall Buildings

机译:风诱导干扰对形状改造高层建筑的评价

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The present work focuses on the outcome of experimental investigation of wind-induced pressure on Square, Fish-plan shape-1, and Fish-plan shape-2 building models under various interference conditions. The tests are carried out in a boundary layer wind tunnel with a scale of 1:300 for 100 percent blockage between twin interfering models. The gap between the twin building models is set at 10% of the principal model’s height. By proposing equations, an attempt is made to understand the distribution of the average pressure coefficient at each level along with the building height for all surfaces. The study concludes that − 1 > Pressure Interference Factor > 1 as experienced by Fish-shape models exhibits increased pressure and suction due to the presence of interfering building model which is unlike Square-plan shape model at present working condition. For complex plan-shaped structures at interference conditions, the study of only the Interference factor (IF) is misleading, and hence, the study of both IF and ID (Interference Difference) is suggested. In interference tests, the Fishplan shape-1 model shows enhanced overturning moment (along-wind) performance for all interference conditions. For the Fish-plan shape-2 model, diminished overturning moment (along-wind) performance is determined for Back-to-Front and Front-to-Front interference conditions.
机译:本工作侧重于在各种干扰条件下对方形,鱼类形状-1和鱼类形状-2建筑模型进行风诱导的压力的实验研究的结果。测试是在边界层风洞中进行的,标度为1:300,在双干扰模型之间100%堵塞。双层建筑模型之间的差距设定为主要模型高度的10%。通过提出方程,尝试了解每个级别的平均压力系数的分布以及所有表面的建筑物高度。该研究得出结论,由于存在干扰建筑模型的存在,所以通过鱼形模型经验的压力干扰因子> 1具有增加的压力和吸力,这是在当前工作条件下与方形平面形状模型不同的干扰建筑模型。对于干扰条件的复杂平面形结构,仅对干扰因子(IF)的研究是误导性的,因此提出了ID和ID(干扰差异)的研究。在干扰测试中,FishPlan形状-1模型显示出所有干扰条件的增强型倾覆矩(沿着风)性能。对于鱼类形状-2模型,确定倾覆瞬间(沿着风)性能,用于前往前部和前端干涉条件。

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