下穿京沪铁路南京站咽喉区大孔径框架桥设计与施工  

Design and Construction for Large-section Frame Structure Passing Under Throat Area of Nanjing Railway Station of Beijing-Shanghai Railway

作　　者：李士中 LI Shizhong(Track Department,China Railway Shanghai Bureau Group Co.Ltd.,Shanghai 200070,China)

机构地区：[1]中国铁路上海局集团有限公司工务部

出　　处：《铁道建筑》2019年第11期33-36,共4页Railway Engineering

摘　　要：南京市黄家圩路下穿京沪铁路南京站西侧咽喉区,铁路线路情况复杂,顶进工作坑周边建筑、管线多,下穿立交采用(8.00+14.75+14.75+6.50)m框架桥。本文介绍框架主体结构、引道、基坑支护、铁路线路加固、站场改造、顶进施工步骤、附属设施等,对类似工程具有参考意义。Huangjiawei road in Nanjing city passes under the throat area on the west side of Nanjing station of BeijingShanghai railway. The status of the railway line is complex,and there are many buildings and pipelines around the jacking pit. A(8.00+14.75+14.75+6.50)m frame structure is used for underpass. This paper introduced the main frame structure,approach,foundation support,railway line reinforcement,station yard reconstruction,jacking construction steps,ancillary facilities,etc.,which has reference significance for similar projects.

关 键 词：框架桥 下穿铁路 车站咽喉区 基坑支护 线路加固 顶进施工 

分 类 号：U449.52[建筑科学—桥梁与隧道工程]