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铁路道口“平改立”有利于既有线扩能改造,有利于既有线大修、防洪,也有利于沿线城市市政建设规划。本文以海满工程项目指挥部在滨州线及海拉尔站和满洲里铁路国际货场工程框架桥顶进施工为例,综合指挥部管理的大跨度框架桥顶进施工的经验,概述了顶进施工的关键环节,重点阐述了加固线路的吊轨纵横梁法。为铁路局工务系统道口“平改立”工程提供了部分理论根据与施工技术。可供以后的车站改造工程中人行地道、行包通道施工及工务系统道口平改立框架桥顶进施工参考。
Railroad crossing “flat change legislation ” is conducive to existing line expansion capacity improvement, is conducive to existing line overhaul, flood control, but also conducive to the city along the line municipal construction planning. This article takes the construction project of Hai Man project headquarters in Binzhou line and Hailar station and Manchuria railway international cargo yard project frame bridge jacking construction as an example, integrated command management of long-span frame bridge jacking construction experience, outlines the key to jacking construction Link, emphatically elaborated the reinforcement line of hanging rail longitudinal beam method. Provided some theoretical basis and construction technology for the railway administration work system system crossing “Ping change legislation” project. For the station renovation project in the pedestrian tunnel, the package channel construction and public works system level crossing the framework of the bridge into the jacking construction reference.