南广铁路独屋特大桥连续梁转体施工中的关键技术  

Nanning to Guangzhou Railway Duwu of the Continuous Beam of the Large Bridge Construction Key Technology

作　　者：王志 

机构地区：[1]南广铁路有限责任公司,广西南宁530022

出　　处：《科技与创新》2014年第7期83-84,88,共3页Science and Technology & Innovation

摘　　要：依据新建南广铁路独屋特大桥(60+100+60)连续梁转体(18.1°)的施工实例,系统介绍了4 600 t连续梁转体结构中球铰的安装、平衡系统与试转体的演练、转体系统施工等关键技术,以期为同类连续梁的转体施工提供一些可借鉴的经验。Based on the latest construction of Nanning to Guangzhou railway Duwu large bridge （60＋100＋60） of continuous beam （18.1 °） construction examples, the system introduces the 4 600 t of continuous beam structure in the installation of globe hinge, balancing system and try to twist drills, swivel system construction, key technology, so as to provide some of similar continuous beam construction can draw lessons from the experience.

关 键 词：高速铁路 既有线 连续梁 水平转体 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]