同源高速公路下穿大秦铁路14m-14m双孔框架地道桥顶进施工方案  

The Jacking Construction Scheme of 14m-14m Double Orifice Frame Underpass Bridge for Tongyuan Highway underneath Daqin Railway

作　　者：王宏民[1] 

机构地区：[1]山西省交通科学研究院,山西太原030006

出　　处：《山西交通科技》2015年第4期57-59 65,65,共4页Shanxi Science & Technology of Transportation

摘　　要：针对公铁线路立体交叉的型式和发展趋势,结合大秦铁路双孔框架地道桥的工程经历,对下穿既有铁路线框架桥的顶进施工方案和注意事项进行了阐述;并结合新的施工方法,对顶进施工的发展方向作了思考。For type and development trend of road-railway line intersection, combined with the engineering experience of Daqin Railway double orifice frame underpass bridge, this paper expounded the jacking construction scheme and precautions of underneath existing railway frame bridge. And combined with the new construction method, it also discussed the development direction of jacking construction.

关 键 词：公铁交叉 重载列车 框架地道桥 顶进 线路加固 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]