In order to provide guidances and references to projects, it is necessary to study the surface displacement and deformation caused by the construction of double parallel tunnels.
为了对工程提供一定的指导和借鉴作用,有必要对双孔平行隧道施工地表位移及变形进行研究。
参考来源 - 双孔平行隧道施工地表位移及变形研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The subsea tunnel engineering that lies at Jiaozhou Bay in Qingdao is introduced, as well as the research status of little distance parallel tunnels in China.
介绍青岛胶州湾湾口海底隧道的工程概况和国内小间距隧道的研究现状。
The approaching construction for two neighboring parallel tunnels in the numerous underground projects is the most normal and basic type in the development of underground space in city.
在众多地下工程的近接施工中，相邻两孔平行隧道的近接施工是城市地下空间开发中最常见和最基本的近接类型。
The parallel dual-subway tunnels are often constructed in the same buried depth of most metro running tunneling.
且大多数地铁区间隧道中，通常在同一埋深地层平行修筑两条隧道。
应用推荐