Research On Emergency Management And Control Technology Of High-Speed Bridges And Tunnels In Mountain Area

With the continuous improvement of China’s economic level,the scale and quantity of infrastructure construction are increasing.Especially,expressway,as the main road passage of the medium-level and highest-level highway network in our country,undertakes fast passenger and freight transportation among regions,provinces and large and medium-sized cities.It plays an important role in promoting social progress,supporting economic development,serving sustainable development and guaranteeing national security.How to ensure the safety and smoothness of Expressway network,improve the operation management and service level of Expressway network,and realize the operation of Expressway "high-speed,efficient,safe and comfortable" is a new subject.In view of the safety and emergency management requirements of expressways with high proportion of bridges and tunnels in mountainous areas during operation,this paper takes G85 Yunnan Mazhao Expressway as a representative research object,and carries out a special study on emergency management technology of bridge and tunnel group sections.Form breakthroughs in key technologies such as impact assessment and control of bridge and tunnel intensive sections,improve the ability of scientific assessment and prediction of traffic impact caused by emergencies,improve the level of emergency traffic organization and collaborative management and control after emergencies,and reduce the duration and coverage of traffic impact caused by emergencies.The demonstration application of project research results on Mazhao Expressway provides an important reference for Yunnan Province and even the whole country to improve the traffic safety operation level and emergency support and decision-making support ability of mountain expressway.