摘要
文章以南京火车站北广场基坑工程为背景,针对地铁上方及两侧均需进行基坑开挖的特殊情况,从设计、施工方面采取了相应的变形控制技术措施,并结合监测数据进一步优化、调整开挖顺序,补充反压措施,使地铁隧道变形控制在允许范围之内,为类似工程提供参考与借鉴。
Based on the foundation pit engineering of Nanjing Railway Station North Square, for the special case that the foundation pit above and on both sides of the subway tunnel has to be excavated, this paper elaborates some measures to limit the pit deformation during the design phase and construction phase.Furthermore, combined with the monitoring data, the excavation sequence has been optimized and counter measures are taken, so that the deformation of subway tunnel is controlled within the allowable range. This paper provides a reference for similar projects.
出处
《江苏建筑》
2014年第5期79-83,共5页
Jiangsu Construction
关键词
地铁隧道上方及两侧基坑开挖
开挖顺序
反压措施
excavation of foundation pit above and on both sides of the subway tunnel
excavation sequence
counter measures
