开洞建筑风压分布特性风洞试验研究

Wind Tunnel Study on Wind Pressure Distribution Characteristics for Opening Buildings

对美国迈阿密市一假日酒店的刚体模型进行了风洞试验,研究了表面开洞对建筑局部风荷载的影响及圆截面结构风荷载分布的特点。结果表明,建筑表面开洞会增大其开洞周围的风荷载;开洞圆截面结构的风荷载分布特性同现行荷载规范给出的规律相接近,但最大负风压系数(绝对值)要小于最大正风压系数。

Based on the wind tunnel test for a holiday hotel in Miami of America, the wind load of the building and the column with opening were analyzed in this paper. The results indicated that the wind load will increase in the area of the opening. The wind pressure distribution characteristic of the column with opening has the same quality with the clause in the code, but the absolute value of the maximum minus wind pressure coefficient is less than the maximum positive one.