郑西客运专线大断面黄土隧道施工方法研究  

Research on the construction methods for large cross-section loess tunnels on Zhengxi high speed passenger-dedicated line

作　　者：刘赪[1] 

机构地区：[1]铁道第一勘察设计院,西安710043

出　　处：《现代隧道技术》2007年第6期10-17,31,共9页Modern Tunnelling Technology

摘　　要：文章结合郑西客运专线大断面黄土隧道设计、施工及科研情况,从沉降变形控制、施工进度、机械配套等方面对双侧壁导洞、CRD、CD、弧形导洞等4种工法进行了比选分析,提出了与不同工况相适应的工法以及施工要点,可供参考和借鉴。In accordance with the construction, design and scientific research of large cross - section loess tunnels on Zhengxi high speed passenger- dedicated line, comparative analyses are carried out for four different construction options： excavation with side headings; CRD method; CD method and excavation with upper half - section heading, with deformation control, advance rate and equipment together with backup system taken into consideration. Adaptable conditions and main points of construction for each option are also put forward for reference.

关 键 词：黄土隧道 施工方法 比选 适用性 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]