跨既有线钢结构天桥顶推施工方法

The Pushing Construction Method of Steel Structure Overbridge Overpassing Existing Railway

随着我国高铁建设的飞速发展,部分老站需要进行扩能改造以满足使用需要,而扩能改造往往是在车站不停运的情况下进行的,给跨越多个站台的天桥施工带来很大的难度。论文以信阳站改扩建工程天桥施工为例,详细论述了跨既有线钢结构天桥顶推施工方法,希望为今后类似工程施工提供参考。

With the rapid development of China’s high-speed railway construction, some old stations need to be expanded and transformed to meet the needs of use, and the expansion and transformation is often carried out in the station without stopping operation, which brings great difficulty to the construction of the overbridge across multiple platforms. Taking the construction of the overbridge of Xinyang station reconstruction and expansion project as an example, this paper discusses in detail the pushing construction method of the steel structure overbridge overpassing the existing, hoping to provide references for similar projects in the future.