自锚式悬索桥钢箱梁架设方案及关键技术研究  

RESEARCH ON ERECTION SCHEME AND KEY TECHNOLOGY OF STEEL BOX GIRDER OF SELF ANCHORED SUSPENSION BRIDGE

作　　者：张杰 ZHANG Jie(China Railway Fourth Bureau Group Steel Structure Construction Co.,Ltd.,230022,Hefei,China)

机构地区：[1]中国中铁四局集团钢结构建筑有限公司,合肥230022

出　　处：《建筑技术》2024年第9期1030-1033,共4页Architecture Technology

摘　　要：以某跨河桥钢箱梁架设施工为例,介绍了大跨度双索面悬索桥梁跨越深水河面的施工方法,详细阐述了深水河道主墩基础施工、钢桁架主塔施工、缆索系统施工、大节段大吨位主梁施工以及预制桥墩施工等关键施工技术,同时还介绍了自适应控制方法对悬索钢箱桥梁预拱度控制及桥梁监控的监控要点。Taking the steel box girder erection as an example,this paper introduces the construction method of long-span double-cable suspension bridge across deep water river surface,emphatically introduces the key construction technologies of deep water river main pier foundation construction,steel truss main tower construction,cable system construction,large section large tonnage main girder construction and prefabricated pier construction.At the same time,the key points of the adaptive control method for the pre-arch control of suspension steel box bridges and the monitoring of bridges are introduced.

关 键 词：深水河面施工 钢桁架主塔施工 缆索系统施工 预制桥墩施工 

分 类 号：TU74[建筑科学—建筑技术科学]