中文摘要：

为考查大跨度斜拉桥风洞试验和计算分析两种研究方法间的一致性,以宜宾长江大桥为工程背景,针对该桥最大单悬臂状态,采用有限元方法分析结构静风响应,采用频域随机振动分析方法计算结构的抖振响应,并将计算分析得到的静风响应和抖振响应与气弹模型风洞试验结果进行对比分析,讨论了计算分析和风洞试验两种研究方法各自的精度以及两者间存在差异的原因。研究表明：对于较为显著的响应,两种方法的分析结果在总体上是一致的。

英文摘要：

Both the wind tunnel test and the analytical method can be adopted for the wind-induced response of long span cable-stayed bridges. In order to investigate the agreement between the two means, Yibin Yangze River Bridge in maximum single cantilever condition is regarded as a numerical example to both test and analysis. In analytical method, the static-wind response is calculated by finite element method. The buffeting response is analyzed by the stochastic vibration method in frequency domain. In wind tunnel test, the static and buffeting response of the aero-elastic model is measured and further transformed for full-scale bridge. The results by the two methods are compared to explore their reliability. The possible reasons are discussed for the difference between of the results. It is finally showed that the results obtained by the two means agree well with each other for the predominant response.