复杂环境下穿铁路特殊框架桥施工技术分析  

Analysis on Construction Technology of Railway Special Frame Bridge in Complex Environment

作　　者：徐昕[1] XU Xin(Kunshan Dengyun College of Science and Technology,Kunshan 215300,China)

机构地区：[1]昆山登云科技职业学院,江苏昆山215300

出　　处：《粉煤灰综合利用》2020年第3期118-121,共4页Fly Ash Comprehensive Utilization

摘　　要：以京哈下行线铁路滦县车站站内复杂环境下穿铁路超大长宽比框架桥的工程实例,结合其框架桥大孔、长宽比大、顶进距离长等复杂的施工环境,进行超大长宽比框架桥的顶进施工技术的研究。Based on the engineering example of the large length-width ratio frame bridge in the complex environment of luanxian station of Beijing-Harbin downline railway,this paper studies the jacking construction technology of the large length-width ratio frame bridge in combination with the complex construction environment such as large hole,large length-width ratio and long jacking distance.

关 键 词：复杂环境 下穿铁路 超大长宽比 框架桥 顶进技术 

分 类 号：U442.5[建筑科学—桥梁与隧道工程]