Numerical simulation of emergency evacuation during mine fire based on ABM

被引：0
|
作者：
Xi J. [1 ]
Wu Z. [2 ]
Mei G. [3 ]
机构：
[1] School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing
[2] State Administration of Work Safety, Beijing
[3] China Academy of Safety Science and Technology, Beijing
来源：
| 1600年 / China Coal Society卷 / 42期
关键词：
ABM; Emergency evacuation; Evacuation time; Mine fire; Soot distribution during mine fire;
D O I：
10.13225/j.cnki.jccs.2017.0599
中图分类号：
学科分类号：
摘要：
By analyzing the research results of mine emergency evacuation, combined with Agent Based Model (ABM) theory and method, the ABM model of personnel evacuation during mine fire is established. The escape speed of agent is chosen as a main parameter. The influence of age, load condition, roadway slope, fire smoke condition and extinction coefficient on escape speed are analyzed. Based on the non-coal mine test roadway, the 3D mathematical and physical model of fire area and mine fire evacuation are established. By dividing fire area, refuge chamber area and ramp area and setting boundary conditions like exit, passable door and impassable door, the mathematical and physical models become more in line with the actual situation. By using Pyrosim software to solve the soot distribution in the mine fire area, the diffusion of smoke in the fire region and the distribution of the extinction coefficient K(Z=1.6 m) as well as its range are calculated, which are validated by a similarity experiment with 1: 10 scale. Pathfinder software is used to solve the evacuation situation under the condition of normal, evacuation during fire and refuge during fire. The evacuation time of the three conditions are 146, 163 and 91 s respectively. At the same time, the temporal and spatial distribution of Agent escape rate and the law of agent quantity variation with time are obtained. Through a comparative analysis, the influence of soot on the general evacuation time is obtained, which could provide a reference for the formulation of relevant emergency plans, the selection of the self-escape equipment, the layout of the refuge facilities and the forecast of the trapped personnel. © 2017, Editorial Office of Journal of China Coal Society. All right reserved.
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页码：3189 / 3195
页数：6
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