It can be concluded that from overall analysis the double-side-driftmethod is more suitable than the CRD method in multiple-arch tunnel with eight traffic lanes.
从总体上分析结果可知，双侧壁导坑法更适合于双向八车道连拱隧道施工。
2
The article introduces the construction technology of center driftmethod for shallow excavation tunnel in Beijing Metro Line 5, analyses the monitored data for the earths surface.
介绍了北京地铁5号线磁器口车站浅埋暗挖隧道中洞法施工技术，对地表监测数据进行了分析。
3
A proper method to compensate for this time drift has been developed.