Technical Design of Embankment Subsidence Monitoring of High-speed Railway in Operation and Maintenance

doi:10.3969/j.issn.1674-0696.2016.02.14

Abstract

Abstract: An embankment settlement monitoring technical scheme was developed for purpose of embankment settlement monitoring in operation and maintenance of express railway based on the features of high flatness of high-speed railway and routine maintenance and regulation works below embankment line. Monitoring sections were arranged and stable points CPIII on bridge were selected as reference points for embankment settlement monitoring and the observational method was used by taking CPIII points in monitored route as turning points. This technical scheme solves the problems of difficult fixation of monitoring points in surface settlement zone and tight schedule for maintenance and monitoring works and its application in embankment settlement monitoring during maintenance and operation stages generated positive results and meet technical requirement for third-level deformation measuring of high-speed railway.

Key words: railway engineering, high-speed railway, maintenance monitoring, differential settlement, datum mark

摘要： 针对高速铁路线路高平顺性特征及路基线下工程的日常维护与整治，通过布设监测断面、选择桥梁上稳定CPⅢ点作为路基沉降监测基准点和采用监测线路中CPⅢ点作为转点尺承的观测方法，设计了高速铁路路基运营维护沉降监测技术方案，解决了地面沉降区沉降监测基准点选择难和维护监测施工时间短的难题，并在长三角高铁网路基运营维护沉降监测中得以实施，取得了良好效果，能够满足高速铁路运营期三等变形测量技术要求。

关键词: 铁道工程, 高速铁路, 维护监测, 差异沉降, 基准点

CLC Number:

P258

ZHOU Jinguo, CUI Shuzhen, ZHU Chengfei. Technical Design of Embankment Subsidence Monitoring of High-speed Railway in Operation and Maintenance[J]. Journal of Chongqing Jiaotong University(Natural Science), 2016, 35(2): 60-63.

周金国, 崔书珍, 朱成飞. 高速铁路路基运营维护沉降监测技术设计研究[J]. 重庆交通大学学报（自然科学版）, 2016, 35(2): 60-63.

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