Measures for Improving Tunnel Safety Control:Taking the Cheng gong Ling Tunnel of Yongjin Expressway as an Example
Compared to open-air highways,tunnels have lower visibility,and there are many risk factors during the use and opening of tunnels.If corresponding risk control measures are not taken during normal opening and use,it may bring unpredictable serious consequences to the safety of drivers and passengers,as well as equipment and facilities.Taking the Chenggong Ling Tunnel of the Yongjin Expressway as an example,through the implementation of this project,innovative renovation measures such as fire alarm system renovation,intelligent evacuation indication system renovation,entrance active control system and equipment and facility updates have been taken to upgrade the safety control of the Chenggong Ling Tunnel section,in order to improve the detection speed,scientifically and accurately command and rescue and achieve proactive and efficient traffic control when emergency events are discovered.Through the implementation of safety management and control measures,the number of tunnel accidents has decreased year by year,and the casualty accident rate has decreased by 75%.
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