长大干线高速铁路自动化沉降监测系统研究

Research of Automatic Settlement Monitoring System for Long Trunk High Speed Railway

文章以石济客运专线与京沪高速铁路并行段沉降自动化监测工程为背景,从监测传感器选型、软件开发和方案设计三个方面对长大干线铁路自动化监测进行了系统研究。通过不同传感器技术指标比选,选择了光纤光栅式静力水准仪作为该项目的监测仪器。深入研究了高速铁路监测系统的功能需求、软件架构、滤波算法及分布式数据采集计算技术,针对长大干线铁路监测的特点开发了"高速铁路沉降及变形自动监测分析预警集成系统(SMAIS)"。在监测方案的设计上,根据安全评估计算的影响范围确定监测范围,根据规范规定的限值和安全评估计算结果确定监测预警值。研究成果在石济监测项目上进行了应用,获得了大量宝贵的实测数据,为今后高速铁路并行线间距的选取提供了参考。

Taking settlement monitoring project of parallel section of Shijiazhuang-Jinan passenger dedicated line and Beijing-Shanghai high speed railway as background,this paper system atically studies the automatic monitoring of long trunk railway from three aspects： hardware selection,software development and monitoring scheme design.Through comparison of different equipment technical indicators,fiber bragg grating static force level is chosen as the monitoring equipment of this project.A deep research on the functional requirements,software architecture,filtering algorithm and distributed computing technology of high-speed railway monitoring system is made.A software system named SMAIS is developed according to the characteristics of long trunk railway monitoring.On the design of the monitoring plan,monitoring scope is determined according to the influence range calculated by the safety assessment,and monitoring warning value is determined based on the limit value specified by the specification and the calculation result of the safety assessment.The research results have been applied in the monitoring project of Shijiazhuang-Jinan railway,and a lot of valuable measured data have been obtained,which provides a reference for the selection of parallel spacing of high-speed railway lines in the future.