地铁隧道结构沉降监测分析  

Monitoring and Analysis of Structural Settlement of Subway Tunnel

作　　者：陶茂枕 Tao Maozhen(Nanchang Urban Planning & Design Institute,Nanchang 330038,China)

机构地区：[1]南昌市城市规划设计研究总院,江西南昌330038

出　　处：《城市勘测》2022年第1期156-159,共4页Urban Geotechnical Investigation & Surveying

摘　　要：论述了地铁隧道结构沉降监测基准网的构成、布设形式及基准网的稳定性分析,并对隧道结构沉降监测点及整体隧道道床差异沉降监测点的布设方式及施测方法进行了简单的介绍;文章以南昌市轨道交通2号线首通段为实例,通过选取部分监测期数的监测数据,分析了隧道结构的沉降情况、沉降趋势及沉降原因,给出了有益的建议,为南昌轨道交通2号线的运营决策提供了强有力的保障。This paper discusses the structure of the subway tunnel structural subsidence monitoring benchmark network,layout form and stability analysis of the benchmark network,and briefly introduces the layout and measurement methods of the tunnel structural settlement monitoring points and the overall tunnel bed differential settlement monitoring points;Taking the first pass of Nanchang Rail Transit Line 2 as an example,the article analyzes the settlement situation,settlement trend and settlement reasons of the tunnel structure by selecting the monitoring data of some monitoring periods,and gives useful suggestions for Nanchang Rail Transit Line 2,provides a strong guarantee for Nanchang Rail Transit Line 2 operation decision.

关 键 词：沉降监测 基准网 监测网 数据分析 

分 类 号：TU196.1[建筑科学—建筑理论]