软土地层地铁盾构隧道联络通道冻结法施工控制技术研究

Study on the control technology of frozen method for connecting passage in shield-driven metro tunnel in soft soil

文章对南京地铁南北线一期工程某标段盾构区间联络通道冻结加固工法进行了分析 ,指出地铁联络通道冻结法施工中应采取的必要施工技术措施 ,并提出施工过程值得改进的方面 ,以确保施工质量和安全 。

The frozen method used to reinforce the soil in the connecting passage in the shield-driven tunnel of Nanjing metro line 1 is analyzed. To ensure the quality and safety, some necessary measures to be adopted for frozen method were pointed out, and some techniques to be improved were presented as well, which could be referred by other similar projects.