鲜花湖特大桥主桥设计研究  

Research on the Design of Main Bridge for the Grand Bridge over Xianhua Lake

作　　者：李邦映[1] Li Bangying(Anhui Provincial Transportation Planning and Design Research Institute Co.,Ltd.,Hefei 230088,China)

机构地区：[1]安徽省交通规划设计研究总院股份有限公司,合肥市230088

出　　处：《北方交通》2024年第7期5-9,共5页Northern Communications

摘　　要：鲜花湖特大桥是G4222和县至襄阳高速公路舒城(千人桥)至金寨(皖豫界)段的主要控制性工程之一。主桥采用(118+220+118)m预应力混凝土部分斜拉桥,塔梁墩固结体系;上部结构采用单箱三室大悬臂斜腹板宽幅箱形主梁,人字形主塔,单索面扇形、横向双排布置斜拉索;下部结构结合现场环境,采用X形双肢薄壁墩、群桩基础。鲜花湖特大桥主桥构造新颖美观,融合了结构设计与景观需求。通过系统介绍该桥设计方案、结构和主要计算结果,以供同类项目参考。The grand bridge over Xianhua Lake is one of the main control projects of the section from Shucheng(Qianren bridge)to Jinzhai(Anhui-Henan boundary)of G4222 He County-Xiangyang expressway.The main bridge adopts(118+220+118)m prestressed concrete partial cable-stayed bridge,and the tower girder pier consolidation system.The superstructure adopts a single-box and three-chamber,wide box-type main beam with large-cantilever oblique web,herringbone main tower,single-cable fan-shaped,and transverse double-row arrangement of cable-stayed cables.In combination with the on-site environment,the substructure adopts X-shaped double-limb thin-walled piers and pile group foundation.The structure of the main bridge for the grand bridge over Xianhua Lake is novel and beautiful,integrating structural design and landscape need.The design scheme,structure and main calculation results of the bridge are systematically introduced,which can be used as the reference for similar projects.

关 键 词：部分斜拉桥 人字形主塔 X形双肢薄壁墩 结构设计 

分 类 号：U448.27[建筑科学—桥梁与隧道工程]