严寒地区高速铁路轨道分布式光纤安全监测研究  

Study on Distributed Optical Fiber Safety Monitoring for High-speed Railway Tracks in Severe Cold Regions

作　　者：徐锡江[1] 何建平[2] XU Xijiang;HE Jianping(1. China Railway Eryuan Engineering Group Co.,Ltd.,Chengdu 610031,China;School of Civil Engineering,Dalian University of Technology,Dalian 116024,China)

机构地区：[1]中铁二院工程集团有限责任公司,成都610031 [2]大连理工大学土木工程学院,大连116024

出　　处：《现代交通技术》2019年第3期80-84,共5页Modern Transportation Technology

摘　　要：基于严寒地区特殊的地理环境条件,研究了该地区高速铁路无砟轨道的损伤问题,并采用分布式光纤传感技术,构建了CRTSIII型板式无砟轨道全寿命周期的安全监测系统,分析探讨了该监测系统中各个监测对象的传感器布设及监测方法,为严寒地区CRTSIII型板式无砟轨道系统的长期安全运营提供技术支撑。In this paper,the damage problem of high-speed railway CRTSIII slab ballastless track in cold region is analyzed,a safety monitoring system for CRTSIII slab ballastless track based on distributed fiber optic sensing technology is constructed,in which the sensor layout and monitoring methods of each monitoring object in the monitoring system are analyzed and discussed.This paper could be provided for monitoring techniques for the long-term safe operation of the CRTSIII slab ballastless track in cold region.

关 键 词：高速铁路 严寒地区 CRTSIII型板式无砟轨道 安全监测 分布式光纤传感技术 

分 类 号：U238[交通运输工程—道路与铁道工程]