分离岛式地铁车站的结构设计和施工

分离岛式地铁车站是一种新型结构型式。在分析分离岛式车站结构型式和特点的基础上,结合北京地铁10号线光华路站的实例,介绍了此类车站设计施工中的难点。该站中洞采用洞桩法施工,两侧洞采用中隔壁法施工。介绍了中洞的施工步序与相应的工程措施,以及结构侧向开口施工风险的控制、合理组织主体群洞结构的施工、横撑及其预加力的设计等关键技术。

Design and Construction of the Separated Island Platform Station

The separated island platform station is a new type of metro station with many key techniques in its design and construction.Based on the introduction of the structural characters and the types of separated island platform station in Beijing Metro Line 10,this paper discusses the design and construction techniques and the main difficulties in the design and construction,argues that the construction progress,the corresponding measures,the risk control and rational organization in the construction shall be put on high priority.