大埋深多线换乘地铁车站设计及施工要点

Design and Construction Key Points of Large Buried Depth Multi-Line Transfer Subway Station

随着地铁网络的形成,出现了越来越多的叠摞车站、三线换乘车站,甚至四线换乘站,地铁车站埋深也越来越大。论文结合在建的北京地铁28号线东大桥站,重点介绍在北京CBD核心区域的大埋深超深基坑地铁车站设计思路及施工要点。

With the formation of the subway network,there are more and more stacked stations,third-line transfer stations and even fourth-line transfer stations,and the subway stations are buried deeper and deeper.Based on the east bridge station of Beijing metro line 28 under construction,this paper mainly introduces the design ideas and construction points of subway station with large and deep foundation pit in the core area of CBD of Beijing.