赣州赣江公路大桥结构设计与分析
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(同济大学建筑设计研究院,上海 200092)[摘要]赣州赣江公路大桥是位于赣州市著名景点八镜台北侧约3km的一座重要桥梁,主桥为跨径408m的地锚式悬索桥,主缆垂度为45.3m,垂跨比为1/9,索鞍中心线之间的宽度为30.40m,主塔采用门框式造型,其中桥面以上部分塔高约65m。介绍了该桥的结构特点及结构设计、耐火性设计和抗震、防撞功能等受力特性。[关键词]地锚悬索桥;设计;结构分析;公路桥Design and Analysis of Structure of Ganzhou Ganjiang Highway BridgeFeng Xiangyu,Li Xiaofeng,Li Ying(Architectural Design and Research Institute of Tongji University,Shanghai 200092,China)Abstract:Ganzhou Ganjiang Highway Bridge is located at 3km north of notable scenery area called Bajingtai,the bridge is a 408m span ground anchored suspension bridge with 45.3m sag and 1/9 sag ratio. Cable saddle center line distance is 30.40m one to another. Main tower adopts “door frame” style structure with around 65m upper part tower above bridge deck.The structural keypoint and force resistance characteristic of the bridge are introduced.Keywords:ground anchored suspension bridge; design; structural analysis; highway bridge参考文献[1]严国敏,周世忠. 现代悬索桥[M]. 北京:人民交通出版社,2002.