斜拉桥110m高空现浇段施工创新研究  

Construction Technology of Cast-in-situ Section at 110 Meters Height of Cable-stayed Bridge

作　　者：李玉宏[1] 卜东平[1] 

机构地区：[1]中铁一局集团第二工程有限公司,河北唐山063004

出　　处：《现代交通技术》2010年第2期48-50,54,共4页Modern Transportation Technology

摘　　要：结合铁罗坪斜拉桥主梁现浇段的施工,介绍了其110m高空现浇段采用墩旁托架和钢铰线反支点预压施工新技术。该创新技术的采用,有效解决了施工支架和预压难题,同时了降低了施工成本。Combining with the construction of cast-in-situ section of Tieluoping cable-stayed bridge main girder,this paper introduces the new construction technologies of bracket at pier side and reversed supporting preloading with steel strand. The using of new technologies resolve the problems of construction support and preloading ,and reduce the construction costs.

关 键 词：斜拉桥 高墩大跨 反支点预压 施工技术 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]