城市轨道交通运营期隧道净空收敛监测方案及应用研究  

Research in Monitoring Scheme and Application of Tunnel Clearance Convergence in Urban Rail Transit during Operation Period

作　　者：吴乃龙[1] Wu Nailong(Fuzhou Investigation and Surveying Institute,Fuzhou 350108,China)

机构地区：[1]福州市勘测院,福建福州350108

出　　处：《城市勘测》2021年第1期162-166,共5页Urban Geotechnical Investigation & Surveying

摘　　要：通过对运营期隧道净空收敛监测的水平、竖向、侧向收敛点布点方案以及监测方法、相应的数据处理和精度估算方法的研究,获取收敛监测点位的数据变化量,进而得知隧道结构的变化形态。以福州市轨道交通2号线工程沙堤站至上街站区间下行线隧道结构为例,按文中所述布点方案实施,并通过对后续多期观测数据分析,得出隧道结构处于受压的结论。Through the research on distribution scheme of horizontal,vertical and lateral convergence point,monitoring method,corresponding data processing and accuracy estimation method for clearance convergence monitoring of the tunnel during operation period in this paper,the data change amount of convergence monitoring point is obtained,and the change form of tunnel structure is obtained.Taking the tunnel structure of down line between Shadi station and Shangjie station of Fuzhou Rail Transit Line 2 project as an example,the point layout scheme is implemented according to the paper and the conclusion that the tunnel structure is under pressure is obtained through the analysis of the follow-up multiple periods observation data.

关 键 词：轨道交通 水平收敛 竖向收敛 精度估计 

分 类 号：P258[天文地球—测绘科学与技术]