地铁运营阶段沉降监测基准点及监测点的布设与精度要求

The Layout and Precision Requirements of Settlement Monitoring Datum Point and Monitoring Point in Subway Operation Stage

以长春地铁1号线一期工程运营阶段沉降监测项目为实例,介绍工程项目基准点及沉降监测点布设、制作方法与技术要求情况,为以后类似工程提供借鉴。考虑到地铁建设和运营期间的特殊性,各类基准点宜布设在稳定道床和侧壁上,监测点布设位置应特别关注重点监测对象和变形相对较大的区域。

This paper takes the settlement monitoring project of the first phase of Changchun Metro Line 1 as an example to introduce the layout,production methods and technical requirements of the project's datum points and settlement monitoring points,and provide reference for similar projects in the future.Considering the particularity of subway construction and operation,all kinds of datum points should be set up on stable track bed and side wall,and the location of monitoring points should pay special attention to key monitoring objects and relatively large deformation areas.