Page 162 - 捷運技術 第59期

Journal of Rapid Transit System and Technology No.59
pp. 151-170, 2024 DOI 10.29670/JRTST.202410_(59).0007

Received February 24, 2023, accepted April 30, 2023, date of publication October 31, 2024

Using Computer-Based Train Operation

Simulation on the Requirement Analysis of

MRT Tunnel Ventilation Shafts

SLOAN CHANG , JYH-CHERNG JONG 2
1
1 Civil Hydraulic Engineering and Railway Transportation Research Center, Sinotech Engineering
Consultants, Inc.
2 Civil Hydraulic Engineering and Railway Transportation Research Center, Sinotech Engineering
Consultants, Inc.
Corresponding Author: SLOAN CHANG, E-mail: slchang@sinotech.org.tw

ABSTRACT

In a long tunnel section, the following train may enter the tunnel before the
preceding train leaves the tunnel. Since two trains are running in the same tunnel
section at the same time, it will increase the passenger evacuation risk in the event
of a fire. For this reason, engineers must analyze train dynamics during the
planning and design stages to determine whether to install an additional
independent ventilation shaft. In this paper, a computer-based train operation
simulation was used to analyze the possibility that two trains stop at the same time
in the ventilation section of the tunnel between LG04 and LG05 of the Wanda line.
The results show that the headway will exceed the minimal headway if the
departure time of the following train is controlled by the arrival time of the
preceding train at the next station. However, if the departure time of the following
train is controlled by the passing time of the preceding train at the next ventilation
shaft by the signal system, although complex, it can meet the minimal headway
requirement without the evacuation problem of two trains stopping in the same
ventilation section.

Keywords: Train Operation Simulation, Tunnel Evacuation, Tunnel Ventilation
Shaft.