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近几年来,各地相继发生的重大火灾当中不难看出,在人们的潜意识里在火灾发生时往往还把消防设施及灭火器等发挥主动作用的设备作为主要的防火方式,这些自动报警系统、防排烟系统及消防用电系统、给排水系统等是能在早期发现火灾及扑灭火灾,这是主动防火的对策,但在发生火灾时能起到延迟甚至是阻止火势蔓延作用的建筑材料、防火系统及防火对策等,此类属于被动防火方式,也能对火灾的扑灭起到有效的作用。现从被动防火的概念入手,分析了被动防火系统和被动防火材料的有效性。
In recent years, among the major fires that have occurred all over the country, it is not difficult to see that people’s subconscious often use fire-fighting facilities and fire extinguishers as their main fire prevention devices in the event of a fire. These automatic fire alarm systems, Smoke system and fire power system, water supply and drainage system can detect fire and extinguish fire in the early stage. This is a measure of active fire prevention. However, it can delay or even stop the spread of fire in the event of a fire. Building materials, fire protection system And fire prevention measures, such are passive fire prevention methods, but also to fight the fire played an effective role. Beginning with the concept of passive fire protection, the effectiveness of passive fire protection systems and passive fire protection materials is analyzed.