【摘要】 简要介绍了重庆市长江大桥的建设情况,并以重庆菜园坝长江大桥为例,介绍大跨度拱桥的抗风性能的相关研究工作。从主拱节段模型静力三分力试验,节段三分力计算流体力学模拟,两榀拱肋的干扰效应,全桥成桥状态和施工状态全桥气动弹性模型的设计和风洞试验,拱桥的涡激共振,拱桥三维随机风场的模拟等方面说明研究的方法和结果。更多还原

【Abstract】 An overall development of bridge construction in Chongqing is introduced in this paper. The aerodynamic study of long-span arch bridges is reviewed with the example of the Chongqing Caiyuanba Changjiang bridge. The results and analysis methods of wind resistant performance of long-span half through arch bridges are presented. The present review covers the wind tunnel test, the numerical simulation and the design of arch bridges.更多还原