Wind tunnel model tests were conducted to investigate the power spectral density (PSD) and the coherence of the wind load on the CAARC standard tall building model in exposure categories B and D.

• 结果显示:不同高度的无因次风荷载功率谱密度具有较好的一致性;在顺风向,不同高度风荷载间的相干特性显示出指数式的衰减规律;在横风向,风荷载在漩涡脱落频率附近有很强的相关性,相干函数值接近于1。