上海外滩通道超大直径土压平衡盾构施工技术

针对上海外滩通道圆隧道工程的特点及施工难点，介绍了通过采取隔离桩、土体改良以及控制盾构正面土压力等一系列有效的施工技术措施，使直径14．27m土压平衡盾构顺利下穿外滩万国建筑群及外白渡桥、轨道交通2号线、南京东路人行地道和北京东路人行地道等建（构）筑物，为今后超大直径土压盾构施工提供借鉴。

Extra-large diameter Earth Pressure Balance Shield Construction Technology for Shanghai Bund Passage Project

With regard to the characteristics and construction difficulties of the circular tunnel section of the Shanghai Bund Passage,a series of effective construction measures were introduced such as the insulation piles,soil improvement and control of earth pressure at shield face,which ensured the success of the EPB shield((14.27 m) driving through the structures and buildings including the buildings of various Western classical and modern styles,Waibaidu Bridge,Rail Transit Line 2,underground passage of East Na...