In order to improve the emergency evacuation capability of an old school building under fire scenarios,a fire evacuation model of an old school building is developed.The PyroSim software is used to build a fire dispersion model to simulate and analyse the changes of smoke visibility temperature and CO at the safety exit of the fire floor in the school building under the condition of mechanical smoke exhaust,automatic sprinkler and whether the windows of the fire room are open or not.The simulation of the exit status and evacuation of people has been carried out in conjunction with Pathfinder software to obtain the required safe evacuation time when all the people are evacuated.The case study shows that the evacuation efficiency of the old school building is reduced by 12.1%without sprinklers,and the evacuation of people is in a dangerous state without mechanical smoke extraction,having more exits has less impact on improving the efficiency of evacuating people.
关键词
老旧教学楼/PyroSim火灾模拟/Pathfinder疏散模拟/疏散效率/安全性分析
Key words
old school building/PyroSim fire simulation/Pathfinder evacuation simulation/evacuation efficiency/safety analysis