新建地铁车站下穿既有运营车站施工技术

Construction Technology of New Subway Station Under-Traversing the Exiting Operating Station

随着城市基础设施的持续建设,地铁轨道交通呈现快速发展的趋势,根据地铁线路规划和线路间换乘的需要,新的地铁线路在施工中将不可避免地会穿越既有运营线路.通过南京地铁2号线车站下穿1号线既有运营车站施工实例,对车站下穿设计、施工工艺及其关键工作等的详细论述,为在复杂施工环境和地质条件下进行新建地铁车站下穿既有运营车站提供了宝贵的经验.

With the continued construction of urban infrastructure the Metro Rail Transit is showing a trend of rapid development. According to Subway lines needed for planning and line transfer, during the construction of new subway lines will inevitably pass through the exiting operating lines. Through the example of the Nanjing Metro Line 2 under-traversing the exiting operating line 1, the station under-traversing design, construction technological process and critical work are discussed in details. All these will provide valuable experience to new subway station under-traverse the exiting operating station in complex construction environment and geological conditions.