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.