江顺大桥主桥配切+顶推辅助中跨合拢方案设计及计算分析  

Design and calculation analysis of cutting-pushing closure for the main bridge of jiangshun bridge

作　　者：刘海龙 LIU Hai-long(Guangdong Province Communications Planning & Design Institute Co., Ltd., Guangzhou,510507)

机构地区：[1]广东省交通规划设计研究院股份有限公司,广东广州510507

出　　处：《黑龙江交通科技》2018年第12期103-104,106,共3页Communications Science and Technology Heilongjiang

摘　　要：江顺大桥主桥是一座跨径布置为(60+176) m+700 m+(176+60) m的双塔双索面钢-混凝土混合梁斜拉桥,介绍了该桥的结构设计情况,提出了适用本桥的配切+顶推辅助中跨合拢方案。介绍了该方案优点、主要实施步骤、顶推力和顶推量的计算分析要点及工程实施情况。对类似工程的工程实践具有一定的参考价值。The main bridge of Jiangshun Bridge is a Twin-tower double cable surface steel-concrete hybrid beam cable-stayed bridge with a span of (60+176)m+700m+(176+60)m, The structure design of the bridge is introduced in the article, A Cutting-Pushing Closure midspan folding scheme suitable for this bridge is proposed. Introduced the advantages of the program, the main implementation steps, the calculation and analysis of the top thrust and pushing volume, and the implementation of the project. It has certain reference value for engineering practice of similar projects.

关 键 词：混合梁斜拉桥 配切+顶推辅助 中跨合拢 

分 类 号：U442[建筑科学—桥梁与隧道工程]