含水软弱地层中修建地下过街道施工技术

Construction Technology of Street-crossing Underpass in Soft and Water-rich Ground

介绍了武汉市中山广场地下过街道在穿越浅埋、富水、软弱地层时所采用的施工及配套技术。主要包括:洞内真空降水技术、双侧壁导坑施工法、长管棚施工技术等。

The article describes the construction technology and the other assisting technologies applied in the construction of the shallow-buried street-crossing underpass underneath Zhongshan square in Wuhan city, which is located in soft and water-rich ground. The major contents described in the article include technology of vacuum dewatering inside the tunnel, technology of double side drift construction method and long pipe roof construction technology.