摘要
地铁隧道施工扰动地层,必然造成相应的地层变形。通过对天津地铁1期工程营口道车站中软岩、富水地层中采用浅埋暗挖法施工,并对地表位移的现场监测和分析,得到了浅埋暗挖法修建隧道地表运动的基本规律,在此基础上提出了控制地层变形的技术措施,在天津地铁1期工程施工中得到了充分的利用并且取得了良好的效果。
Due to the disturbance to the ground induced by construction of Metro tunnels, ground deformations occur inevitably. On basis of the undercutting construction under shallow overburden of Yingkoudao station of phase 1 of Tianjin Metro located in soft and water-rich ground and the analysis on the results of the monitoring of the ground surface displacement, the basic pattern of the ground surface displacement induced by undercutting under shallow overburden is obtained. Furthermore, technical measures to control the ground deformations are recommended and fully applied in the construction of phase 1 works of Tianjin Metro and good effects are achieved.
出处
《隧道建设》
2006年第1期18-20,24,共4页
Tunnel Construction
关键词
地铁隧道
浅埋暗挖法
地表沉降
沉降槽
Metro runnel
undercutting under shallow overburden
ground surface settlement
settlement trough
