地下基坑通常采用如下几种施工方法,明挖法、新奥法、浅埋暗挖法、盖挖法、盾构法等。明挖法是目前应用最为广泛的一种施工方法,该法施工简单、安全、快速、造价较低,但对市民生活干扰较大,限制因素较多。暗挖法对市民日常生活影响较小,不会阻断交通,特别适合在地下水位较深、不需要降水的条件下采用,是修建地铁的重要方法,通过合理组织施工及交通疏解,可以把对交通的影响降到最低。目前在北京、上海、广州、南京、深圳等城市 Underground foundation pit usually adopts the following construction methods: excavation method, new Austrian method, shallow buried tunneling method, cover excavation method, shield method and so on. Ming dug method is currently the most widely used construction method, the method of construction is simple, safe, fast, low cost, but greater interference in public life, more restrictive factors. The method of undercutting has little impact on the daily life of citizens and will not block the traffic. It is especially suitable for use in deep groundwater levels and precipitation without the need of precipitation. It is an important method for building subways. By reasonably organizing construction and traffic control, Impact on traffic to a minimum. Currently in Beijing, Shanghai, Guangzhou, Nanjing, Shenzhen and other cities