跨密集铁路小半径连续钢箱梁顶推施工技术  

Incremental Launching Method of Small-Radius Continuous Steel Box Girder Crossing Intensive Railways

作　　者：杜玉林[1] 闫志刚[1] 杜立峰[1] 狄宝才[2] 

机构地区：[1]石家庄铁路职业技术学院,河北石家庄050041 [2]中铁十九局集团有限公司,辽宁辽阳111000

出　　处：《公路工程》2013年第4期157-161,共5页Highway Engineering

摘　　要：以某跨密集铁路小半径连续钢箱梁工程为背景,介绍了该桥梁顶推施工的技术方案和主要施工设施。详细阐述了钢箱梁跨越密集铁路顶推施工过程中顶推梁段划分、线形控制、施工监控以及箱梁防电措施等施工控制要点,对于类似工程具有一定的借鉴意义。The technology program and main facility of the incremental launching construction were introduced in the background of a small-radius continuous steel box girder project crossing intensive railways.It focused on such control essentials as box girder segmentation,shape control measures,construction monitoring and box girder anti-electricity measures etc in construction process.This may serve as a useful reference for the construction of other similar projects in the future.

关 键 词：顶推施工 连续钢箱梁 小半径曲线 防电措施 

分 类 号：U445.462[建筑科学—桥梁与隧道工程]