Simulation of emergency evacuation of college experimental building fire
CHEN Shaojie
ZHOU Ting
LIANG Shuaiheng
HE Wentao
Abstract：In order to study the fire smoke diffusion and emergency evacuation of personnel in the experimental building of colleges and universities,a BIM model is established by Revit software,and Pyrosim software was introduced to carry out fire simulation research.The spread of smoke and the changes of visibility,CO concen-tration and smoke temperature in three different fire scenarios are analyzed.At the same time,Pathfinder soft-ware is used to simulate the evacuation of personnel,analyze the congestion of each key evacuation port,and calculate the safe evacuation time to evaluate the safety of each evacuation port.The optimization scheme is proposed to guide the personnel to evacuate effectively,and the evacuation time before and after guidance is compared.The results show that visibility is the most important factor affecting the evacuation time.Due to the narrow corridor of the experimental building,when the fire occurs,the smoke will quickly spread to the stairwell and affect the evacuation.The CO concentration at the end of the corridor and the corner will be higher;enabling the stairs outside the building will greatly reduce the overall evacuation time;after the effective evacuation of the guide personnel,the total evacuation time is reduced by 25.5 s,and the key evacuation ports of all floors meet the safety standards in different fire scenarios.
Keywords：university experiment buildingfireemergency evacuationPyrosimPathfinder
Publication Date：2024-08-28
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：9( 66-74 )