Discussion on Monitoring Technology Proposal for High and Steep Side-Slope on Railway in Mountain Area

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Discussion on Monitoring Technology Proposal for High and Steep Side-Slope on Railway in Mountain Area

Xu, Jun / Wei, Yongxin / Li, Chugen

High and steep side-slope in mountainous area is susceptible to geological disasters such as landslide and collapse in the rainy season, which threatens seriously the construction and operation safety of railway. Since the disasters are sudden and catastrophic, this paper puts forward the study approach of monitoring technology for high and steep side-slope and discusses the monitoring technology proposal that is to ensure the operation safety of railway as centre and take “The rockfall can not fall on the railway” and “For train traveling, the rockfall on the railway cannot be obstacle”as basic requirements for high and steep side-slope in the mountainous area. “The rockfall can not fall on the railway”to be solved is mainly to monitor rockfall source, while “For train traveling, the rockfall on the railway cannot be obstacle” to be served is mainly monitor the rockfall invasion to protected main body (railway operation facilities). This paper describes the treatment of the high and steep side-slope problem of railway in mountain area and necessity of use of monitoring technology, puts forward the monitoring technology proposal that carries out the rockfall source monitoring, rockfall invasion monitoring and protected main body video monitoring based on FBG sensor technology and the data acquisition and transmission with optical cable, moreover, describes the key technical problem in the monitoring technology proposal and study approach to be used. The comprehensive monitoring technology concept for high and steep side-slope in this paper can be used as an important reference for disaster prevention monitoring design of railway and highway.