Source: [Sichuan Daily-Sichuan News]
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Sichuan Guan News reporter Liu Heng Tian Shan
Have you ever observed the normally closed fire doors in high-rise communities? Did you close it casually? In past fires in residential buildings in residential areas, the fire doors were often not closed, causing irreparable pain.
Normally closed fire doors refer to doors that can meet fire resistance integrity and thermal insulation requirements within a specified period of time. They are used in evacuation stairwells, vertical duct wells and fire protection partitions. They are mainly composed of fire protection doors. Composed of door and door closer.
Why can fire doors prevent fire? What are the consequences if the fire door is not closed during a fire? The People\’s Livelihood Information Station teamed up with Sichuan Firefighters to conduct multiple sets of experiments.
This article comes from [Sichuan Daily-Sichuan News] and represents only the author’s views. The National Party Media Information Public Platform provides information release and dissemination services.
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