超前支护技术在敞开式全断面掘进机施工中的应用

Application of advance support technique to tunnelling with an open-type full face TBM

文章对TB880E型敞开式全断面掘进机 (简称TBM)在新建铁路西安至南京线磨沟岭隧道施工中的超前导管注浆和管棚支护技术进行了研究并提出了相应的施工方案和技术措施 。

This paper describes the application of advance conduit grouting and pipe roofing to Mogouling Tunnel on Xi’an-Nanjing Railway,which is constructed by an open-type full face TBM.The support measures against unfavorable ground conditions can be referred by future similar projects.