本讲谈谈审核高层建筑防烟或排烟设施必须考虑的几个主要问题。据日本、英国火灾统计资料表明,在火灾死亡的人数中,由于烟气熏死的占很大比例,一般为40~60%,最高达78.9%。在被火烧死的人当中多数也是先中毒、窒息晕倒后被火烧死的。日本“千日”百货楼火灾,死亡的118人中就有93人是被烟熏死的。但火灾实例证明,如果设有 This talk will discuss some of the major issues that must be considered in auditing smoke-proof or smoke-exhaust facilities in high-rise buildings. According to Japan, the British fire statistics show that in the fire death toll, due to smoke a large proportion of smoked, usually 40 to 60%, up to 78.9%. Most of those who were burnt to death were also poisoned most, and they were burnt to death after being suffocated. Japan “Thousand Days ” department store fire, 93 of the 118 deaths were smoked. But a fire example proves, if it has