建筑首层扩大前室增强防烟探讨  

Discussion on enhanced smoke prevention of enlarged vestibule on the first floor of building

作　　者：李智军 廖曙江 王星 Li Zhijun;Liao Shujiang;Wang Xing(CCTEG Chongqing Engineering(Group)Co.,Ltd.,Chongqing 400016,China;CMCU Engineering Co.,Ltd.,Chongqing 400039,China)

机构地区：[1]中煤科工重庆设计研究院(集团)有限公司,重庆400016 [2]中机中联工程有限公司,重庆400039

出　　处：《消防科学与技术》2022年第12期1674-1678,共5页Fire Science and Technology

摘　　要：越来越多的建筑设计将消防前室与首层门厅(大堂)设在一起形成扩大的前室,建筑面积的增加、人员聚集和可燃物的存在,对首层扩大前室的防烟安全提出了更高的要求。通过分析首层扩大前室的构造特点和防烟要求,提出增强防烟的方式。More and more architectural designs set the fire vesti-bule together with the lobby on the first floor to form an en-larged vestibule.The increase of floorage,personnel gathering and presence of combustibles puts forward higher requirements for smoke prevention safety of the enlarged vestibule on the first floor.This paper analyzes the structural characteristics and smoke prevention requirements of the enlarged vestibule on the first floor,and puts forward the way of enhanced smoke preven-tion.

关 键 词：首层扩大前室 机械防烟 自然排烟 增强防烟 

分 类 号：X913.4[环境科学与工程—安全科学] TU834.2[建筑科学—供热、供燃气、通风及空调工程]