大跨径预应力混凝土连续梁桥设计——以邵家渡大桥为例  

The Design of Large-span Prestressed Concrete Continuous Beam Bridge—Taking Shaojiadu Bridge as an Example

作　　者：林召军 LIN Zhaojun(Lin Tung-Yen&Li Guo-Hao Consultants Shanghai Co.,Ltd.,Shanghai 200437,China)

机构地区：[1]上海林同炎李国豪土建工程咨询有限公司,上海200437

出　　处：《工程技术研究》2023年第13期183-185,共3页Engineering and Technological Research

摘　　要：邵家渡大桥是连接宁波市姚江新区和海曙区高桥镇的重要节点工程,全桥总长950 m,其中主桥采用变截面预应力混凝土连续梁结构,跨径组合为(105+170+105)m,是目前国内市政领域最大跨度变截面预应力混凝土连续梁桥。文章针对邵家渡大桥主桥结构设计要点,从跨径布置、结构尺寸拟定、预应力体系布置等方面进行详细介绍,并且对静力、动力分析结果进行总结,对同类型桥梁的设计具有一定的借鉴意义。Shaojiadu Bridge is an important node engineering connecting Yaojiang New Area and Gaoqiao Town of Haishu District in Ningbo City.The total length of the bridge is 950 m.The main bridge adopts variable cross-section prestressed concrete continuous beam structure,and the span combination is(105+170+105)m.It is the variable cross-section prestressed concrete continuous beam bridge with the largest span in the domestic municipal field at present.In view of the structural design points of the main bridge of Shaojiadu Bridge,this paper introduces in detail the span layout,structural size formulation and prestressed system layout,and summarizes the static and dynamic analysis results,which has certain reference significance for the design of the same type of bridges.

关 键 词：连续梁桥 预应力体系 桥梁结构 力学特性 

分 类 号：U441[建筑科学—桥梁与隧道工程]