Technology And Application On Informationlized Emergency Rescue Of Highway Subgrade Disaster

Due to the effect of internal and external factors highway often occur landslide,collapse and debris flow roadbed disasters in the construction and operation stages,which has threatened the safety of highway net and caused personal injury as well as economic loss.Although the traditional subgrade disaster emergency rescue work has the experience,usually confined to a single or a small number of subjects on the technology.The rapid development and fusion of monitoring technology,Internet technology as well as communication technology make the possibility that emergency work will be more efficient,more real-time,more informationalized and intelligent.Informationalized emergency rescue is to fully use the survey technology,monitoring technology,Internet technology,communication technology for obtaining all kinds of information and apply them into the rescue work.The study on informationalized emergency rescue is significant for making efficient operation of highway and decreasing the personal injury as well as economic loss.This paper,on the basis of civil engineering technology and combining with other fields of knowledge and technology,conducted the following research:Firstly,it described three patterns of subgrade deformation in detail such as landslide,collapse and debris flow.Additionally,by combining the mechanics analysis,it studied the model of subgrade deformation and the damage condition,which is benefit to quickly recognize the disaster.Meanwhile,Through the analysis of the evolution process of landslide,collapse and debris flow,this paper briefly studied and explained the factors that caused the disaster.Secondly,the traditional and current monitoring techniques are studied systematically,and the principle and application of monitoring technology are briefly described.The advantages and disadvantages of various kinds of monitoring techniques are analyzed in detail.Also by comparing the different kinds of monitoring technology and the field applied,the usual monitoring method at present were summarized.Thirdly,from the ‘Internet of things' perspective,the paper described the main technology in the front end data acquisition unit,data transmission unit and back end processing unit of the slope-monitoring system.For example,the front end data acquisition unit is responsible for acquiring data,and the sensing technology is the core,this paper emphasized on the classification and selection of sensors.The main technology in data transmission unit is transmission technology including wired transmission and wireless transmission,the advantage and disadvantage of all kinds of technology and communication link between the devices are studied.Back end data processing unit briefly summarized the technology and methods of Internet of things information processing,focusing on the information storage and data prediction and early warningFinally,by the practical project named slope emergency rescue of Yuqian highway RK1058+600 section and combining the “Cloud eye” system,the paper analyzed the procedure of emergency rescue,and explained how to apply all kinds of technology into the work.