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中文摘要：
将高层建筑的横风向激励分解为横风向紊流和涡激力激励。根据10个典型高层建筑模型的风洞试验结果，分别研究了两种激励的特性和计算模型，给出典型建筑的横风向紊流激励力系数、涡激力系数和相应的形状系数。特别着重研究涡激力功率谱函数和相干函数，总结出的结果可加深对高层建筑横风向荷载特性的认识，所建立的典型高层建筑的横风向荷载计算模型可用于实际工程。
英文摘要：
The characteristics of across-wind loading and the mathematical model of tall buildings are theoretically studied, based on wind tunnel tests. Across-wind excitation on tall buildings is divided into across-wind turbulence and vortex-shedding components. Based on the wind tunnel test results of 10 typical tall building models, the excitation characteristics and the mathematical models of these two excitation components are investigated in some details. Using the test results, the aerodynamic force coefficients and shape coefficients of the two components are derived. In particular, power spectrum density and coherence functions of the vortex excitation are analyzed.
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