试论地下公共建筑的火灾设防等级

地下建筑由于人流密度大、通风不便、消防疏散困难等劣势，一旦发生火灾容易造成巨大的经济损失和严重的社会影响。本文对国内外已有的地下公共建筑类别进归纳，并从地下公共建筑的火灾设防问题出发，对于不同类型建筑按照其规模、功能、环境等因素的不同提出火灾设防等级的划分，仅供参考。

On Fire Fortification Level of Underground Public Buildings

Underground structures because of weaknesses su-ch as the big traffic density, inconvenient of ventilation, fire evacuation difficulties, once the fire is easy to cause huge eco-nomic losses and serious social impact. In this paper, the und-erground public building categories into induction, and starting from the fire protection problems of underground public build-ings, put forward the division of fire prevention level for diff-erent types of construction in accordance with its size, function, environment and other factors of fire protection in different gr-ades, for reference only.