开县寨子坪大桥总体设计  

Overall Design of Zhaiziping Bridge in Kaixian

作　　者：杜春林 韩广鹏 罗鹏军 

机构地区：[1]重庆市市政设计研究院,重庆市400020

出　　处：《城市道桥与防洪》2016年第5期72-75,10,共4页Urban Roads Bridges & Flood Control

摘　　要：开县寨子坪大桥是一座V形刚构拱组合桥,桥梁跨径布置为45 m+75 m+82 m+128 m+56 m。大桥主梁采用单箱多室预应力混凝土箱梁,拱肋采用矩形截面钢箱拱肋。全桥沿纵向设置两片高度不同的拱肋,高低起伏的拱肋简洁大气,造型独特。寨子坪大桥的建成既能满足城市过河通道功能性桥梁的作用,又将成为提升开县城市景观品质的标志性建筑。介绍大桥的总体设计情况,有关经验可供相关专业人员参考。Zhaiziping Bridge in Kaixian is a V-shaped rigid frame arch composited bridge. The arrangement of bridge spans is(45+75+82+128+56) m. And the main girder of the bridge is designed as a single-box multiple-cell prestressed concrete box beam, and the arch rib is designed as a rectangular section steel box arch rib. Two different-height arch ribs are set up longitudinally along the whole bridge. The up-down arch rib looks concise and generous with unique shape. The completion of Zhaiziping Bridge is not only a functional bridge to across the river channel of the city, but also will be the landmark of Kaixian City to improve its aesthetic quality. The overall design of Zhaiziping Bridge is mainly presented in this paper. The relative experience can be referred for the similar bridges.

关 键 词：V形刚构 梁拱组合体系桥 预应力混凝土梁 总体设计 

分 类 号：U448.23[建筑科学—桥梁与隧道工程]