摘要
盾构始发为盾构隧道施工的关键环节,也是施工的难点和风险点之一。文章以南京长江隧道工程为例,阐述了盾构隧道洞门采用冷冻密封止水技术,成功实施了浅覆盖、强透水地层条件下大直径泥水盾构的始发施工方案,对类似工程具有借鉴意义。
Shield launching is the key step as well as one of the difficulties and risks in construction.Citing Nanjing Yangtze River Tunnel as an example,the paper expatiates on the successful launching of a largediameter slurry shield under the conditions of small overburden and ground with strong permeability by means of freezing sealing measures.
出处
《现代隧道技术》
EI
北大核心
2010年第3期60-66,共7页
Modern Tunnelling Technology
关键词
泥水盾构
冷冻
始发
施工技术
Slurry shield
Freezing
Launching
Construction technology
