Research On Fire Safety Evacuation Methods Of High-rise Buildings

In recent years,the number of high-rise buildings in my country has grown rapidly,with more than 600,000 high-rise buildings.The fire safety situation of high-rise buildings is becoming increasingly severe.Safe,effective and rapid evacuation is the preferred method of escape in high-rise building fires.According to the survey,more than 8%of fire injuries and deaths are directly related to fire evacuation.Therefore,the safe evacuation of high-rise building fires is very important for preventing and controlling fires and ensuring the safety of people's lives and property.This is mainly because high-rise buildings have common structural characteristics and group characteristics,that is,multi-floor,large volume,large number of people and complex functions.Once the high-rise fire,these factors in the building will affect the safe evacuation of the masses,causing huge property losses and a large number of casualties.So when the high-rise building is on fire,what kind of evacuation route to choose,whether the escape route is scientific,whether it has been measured and practiced,and whether daily familiarization and drills can adapt to different situations will be the focus of this article.This article mainly analyzes the fire characteristics and safety evacuation characteristics of high-rise buildings,and combines factors such as the safety evacuation mode of high-rise buildings,from the aspects of evacuation management,evacuation design,and safety evacuation supporting laws.From the aspects of personnel evacuation time including fire alarm Time,personnel reaction time,personnel movement time and available safety evacuation time are analyzed.The principle of safety evacuation is that the safety evacuation time must be less than the available safety evacuation time to ensure the personal safety of the evacuated person.The traditional safety evacuation method for high-rise buildings is based only on stairs,and the use of elevators is prohibited during fires.However,the real situation of high-rise fires tells us that the traditional simple evacuation method is far from satisfying high-rise buildings with constantly changing functions.A combination of multiple evacuation methods should be sought to ensure the maximum safety of evacuated personnel in a fire accident.Through recent case studies on major fires in high-rise buildings,comparison of domestic and international investigations on safety evacuation,in view of the many problems in fire safety evacuation,this paper uses Pathfinder simulation software to actually simulate the safety evacuation simulation process of high-rise public buildings And analyze the results.Look for the inadequacies of the safety evacuation work in domestic high-rise buildings and propose a new safety evacuation model,in order to provide more options for the safety evacuation methods of high-rise buildings in my country.