Intelligent Control of Tunnel Lane Indicator under Fire Condition 

Shiwei WU, Zheng ZHOU 

School of Civil Engineering, Chongqing Jiaotong University, Chongqing 400074, CHINA 

Abstract: With the development of traffic cause, tunnel number increased year by year. At the same time, the tunnel fire accidents at home and abroad in recent years has caused a large number of casualties and property losses. The study of intelligent control of tunnel lane indicator is urgent and necessary. Propose the intelligent control mode of tunnel lane indicator from the perspective of induction of personnel and cars escape under fire condition. Write a PLC program for 1km long tunnel as an example. Simulate the tunnel lane indicators’ automatic control under the condition of tunnel fire. 

Keywords: Tunnel fire; Tunnel lane indicator; Evacuation and rescue; PLC