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对某一具有代表性的大型体育场看台挑篷刚性模型进行了表面测压风洞试验,详细介绍了试验所采用的主要技术参数和基本的数据处理方法,对比研究了在有、无临近建筑物干扰情况下的体育场挑篷表面风压分布的等值线图和结构典型测点在不同风向角下的风压变化规律。结果表明,邻近建筑对所测建筑的风荷载有一定的气动干扰影响,相关结论为结构的抗风设计提供了可靠的依据。
A representative large-scale stadium canopy canopy test was conducted on a surface wind pressure test of the wind tunnel. The main technical parameters and the basic data processing methods used in the experiment were introduced in detail. Isometric map of the surface pressure distribution of stadium canopies under disturbing conditions and the variation of wind pressure under typical wind direction angles of typical measuring points of structures. The results show that the adjacent buildings have certain aerodynamic interference with the wind load of the measured buildings, and the relevant conclusions provide a reliable basis for the wind resistance design of the structure.