Highway Dangerous-rock Collapse Safety Monitoring And Early Warning Technology

Mountain area accounted for two-thirds of the total area of our country,during highway construction and operation process,due to the limitation of terrain and road alignment constraints,there will inevitably excavation of deep rock cutting,in recent years,collapse disasters of highway often occur,governance collapse disasters cost enormous human and financial resources.Due to the limited effects of highway dangerous-rock collapse disaster prevention engineering,safety monitoring and early warning of highway dangerous-rock is more effective and more economic disaster prevention and mitigation measures at present.Through summary and analysis of highway dangerous-rock collapse disaster characteristics and the disaster mechanism,put forward the highway dangerous-rock comprehensive monitoring method,also according to the highway dangerous-rock monitoring and warning requirements,design highway dangerous-rock collapse safety monitoring and early warning system,main progresses were as follows:1 Expounds the highway dangerous-rock collapse mechanism,summarizes the factors that influence the stability of the highway dangerous-rock,studied disaster characteristics of highway dangerous-rock collapse,analysis highway rock deformation stage,provide theoretical support for the highway dangerous-rock collapse safety monitoring and early warning;2 Proposed including acoustic emission,laser ranging and all-weather video surveillance technology-based as highway dangerous-rock comprehensive monitoring method.Choice basis of acoustic emission technology and laser ranging technology,basic principle,related equipment and in the field of slope engineering application status were introduced,and demonstrates the feasibility of acoustic emission technology and laser ranging technology in monitoring of highway dangerous-rock;3 According to the highway dangerous-rock monitoring and warning requirements,the framework of highway dangerous-rock collapse safety monitoring and early warning system were constructed,and the system design principle,function realization,process were studied,at the same time,the audible and visual alarm,LED warning signs as site alarm method is put forward.