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现行《汽车库、修车库、停车场设计防火规范(GB 50067—2014)》(以下简称《新规》),相比原规范(GB 50067—1997,以下简称《旧规》),在排烟一节(8.2)有所修改和完善,新增了自然排烟内容及做法要求,内容上更合理,但依然存在一些问题值得探讨。《旧规》~([1])8.2.1对地上车库和不大于2 000 m~2的地下车库是否须排烟,或者是否采用自然排烟没有规定和说明。《新规》~([2])扩大了排烟系统的覆盖范围,且更严格和明确,增加了可以采用自然排烟
Compared with the original code (GB 50067-1997, hereinafter referred to as “the old rules”), the current code of fire protection for garage, garage and parking lot design (GB 50067-2014) Section (8.2) of Tobacco has been modified and improved. The contents and practices of natural smoke exhaust have been added and the contents are more reasonable. However, some problems still exist worth exploring. “Old Rules” ~ ([1]) 8.2.1 There is no stipulation or explanation on whether there is a need to exhaust smoke in an underground garage and an underground garage not exceeding 2 000 m 2, or whether to use natural smoke exhaust. “The new regulation” ~ ([2]) has expanded the coverage of the smoke exhaust system and is more rigorous and clear, adding that it is possible to use natural smoke exhaust