摘要
以中国计量科学研究院某临近既有地铁科研楼项目为例,阐述了项目基坑支护设计、风险分析及监控重点,以及基坑监测内容和实施方法。由项目实际监测数据分析显示,基坑开挖对基坑维护结构以及周边环境的变形量影响均在设计允许范围内,保证了北京地铁5号线的正常运营。为临近既有地铁项目基坑支护设计及监测工作提供参考。
Take a NIM research building adjacent existing subway as an example,it is expounded that foundation pit support design,risk analysis,foundation pit monitoring content and key points and implement method.According to the actual monitoring data analysis,the foundation pit excavation influence on the deformation of maintenance structure and surrounding environment is in the range of design,which ensures the normal operation of Beijing metro line 5.It provides a reference for the foundation pit support design and monitoring for the adjacent existing subway projects.
作者
俞丽华
殷彤
刘丽春
苑庆韦
YU Lihua;YIN Tong;LIU Lichun;YUAN Qingwei(National Institute of Metrology,Beijing 100029,China)
出处
《施工技术》
CAS
2019年第S01期225-227,共3页
Construction Technology
关键词
临近地铁
深基坑
支护设计
基坑监测
adjacent subway
deep foundation pit
support design
foundation monitoring
