【摘要】 双层桥面飞雁式钢管—钢管混凝土复合拱桥为新型复合桥梁,衡阳衡酃路湘江特大桥主桥是目前世界上第一座采用该结构的桥梁。本文以该大桥为工程背景,建立空间有限元模型,进行实桥自振特性分析,研究该类桥型的动力特性。更多还原

【Abstract】 The fly-bird-type Hybrid arch bridge of steel tube and concrete filled steel tube with double-decks is a new kind of hybrid arch bridge.The Xiangjiang bridge in Hengling road,Hengyang is the first bridge which is adopted this new type.Based on this bridge as the background,it is carried out the self-vibration characteristics analysis of this bridge and dynamic characteristics research of this kind bridge by building a three-dimension finite element model.更多还原