高速铁路钢-混组合部分斜拉桥施工关键技术  

Key Technology for the Construction of High-speed Railway Steel-concrete Composite Cable-stayed Bridge

作　　者：孙浩林 赵银超 杨尚 SUN Haolin;ZHAO Yinchao;YANG Shang(China Railway 11thBureau Group 1st Engineering Co.Ltd.,Xiangyang 441104,China)

机构地区：[1]中铁十一局集团第一工程有限公司,襄阳441104

出　　处：《铁路工程技术与经济》2024年第5期58-62,共5页Railway Engineering Technology and Economy

基　　金：中国铁建科技创新项目(2022-B01)。

摘　　要：本文针对国内首次应用高速铁路钢箱-混凝土部分斜拉桥桥式结构的南玉铁路六景郁江斜拉桥,分析了其技术难点,研制了适用于高速铁路钢-混凝土部分斜拉桥施工的千吨级悬拼一体造桥机,解决了8m长混凝土梁段悬臂施工难题及钢箱梁吊拼难题,形成了高速铁路钢-混部分斜拉桥混凝土梁短悬浇施工技术、高速铁路钢-混部分斜拉桥钢箱梁悬拼施工技术及钢-混结合段施工技术,并通过新设备、新技术及智能建造技术的应用,强化了高速铁路钢-混凝土部分斜拉桥的施工质量控制,提升了全桥施工工效,顺利完成了该桥建设任务。In this paper,the technical difficulties of the Liujing Yujiang cable-stayed bridge of Nanyu Railway,which is the first application of high-speed railway steel box-concrete part cable-stayed bridge bridge structure in China,are analyzed,and a thousand-ton cantilever integrated bridge building machine suitable for the construction of steel-concrete part cable-stayed bridge of high-speed railway is developed,which solves the cantilever construction problem of 8m long concrete beam section and the problem of steel box girder hoisting,and forms the construction technology of short suspension casting of concrete beam of steel-concrete cable-stayed bridge of high-speed railway.Through the application of new equipment,new technology and intelligent construction technology,the construction quality control of the steel-concrete cable-stayed bridge of the high-speed railway has been strengthened,the construction efficiency of the whole bridge has been improved,and the construction task of the bridge has been successfully completed.

关 键 词：钢-混组合梁 部分斜拉桥 造桥机 悬拼一体 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]