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北京是轨道交通工程在建项目最多的城市,沉降监测对地铁工程的安全施工有着重要意义,同时监测数据能够直接用来评价地铁施工对地表环境的影响。本文重点论述了北京地铁沉降监测的方法与技术要求,介绍了所用仪器数据文件的格式,详述了数据处理和统计分析。最后,文章给出了变形预报分析的数学方法,并说明了其现实意义。
Beijing is the city with the largest number of rail transit projects under construction. Subsidence monitoring is of great significance to the safe construction of subway projects. At the same time, the monitoring data can be directly used to evaluate the impact of subway construction on the surface environment. This article focuses on the Beijing Subway settlement monitoring methods and technical requirements, introduced the instrument data file format used, detailing the data processing and statistical analysis. Finally, the article gives a mathematical method of deformation forecasting analysis and illustrates its practical significance.