建筑防火封堵耐火性能试验研究  

Experimental study on fire resistance performance of fire sealing material of building

作　　者：崔海浩 王宗存 张雨杭 Cui Haihao;Wang Zongcun;Zhang Yuhang(Tianjin Fire Science and Technology Research Institute of MEM,Tianjin 300381,China;Laboratory of Fire Protection Technology for Industry and Public Building of MEM,Tianjin 300381,China;Tianjin Key Laboratory of Fire Safety Technology,Tianjin 300381,China)

机构地区：[1]应急管理部天津消防研究所,天津300381 [2]工业与公共建筑火灾防控技术应急管理部重点实验室,天津300381 [3]天津市消防安全技术重点实验室,天津300381

出　　处：《消防科学与技术》2025年第3期335-339,共5页Fire Science and Technology

基　　金：国家重点研发计划项目(2021YFC3001700,2021YFC3001702);应急管理部消防救援局科技计划项目(2022XFLR28)。

摘　　要：高层建筑内部有大量的管线穿越墙体、楼板,贯穿部位的防火封堵是阻隔火灾蔓延、保障建筑和人身安全的重要手段。现行标准规定了防火封堵构造的性能要求,但由于防火封堵构造及贯穿物在火灾下的热传导及温度分布规律尚不明晰,封堵方案的有效性难以保证。针对该问题,本文设计了防火封堵试件并开展耐火试验研究,分析了防火封堵试件在受火过程中的试验现象及温度变化规律,比较了防火封堵构造及贯穿物在受火过程中的温度差异,对防火封堵构造方案设计和相关标准制修订提出了建议。A large number of pipelines pass through walls and floors in high-rise buildings,and fire sealing at the penetrating parts is an important mean to block the spread of fire and ensure the safety of buildings and people.The current standards specify the performance requirements for fire sealing structures,but due to the unclear heat conduction and temperature distribution patterns of fire sealing structures and penetrations,the effectiveness of sealing schemes is difficult to ensure.In response to this issue,this article designed fire-resistant sealing specimens to conduct fire resistance tests,analyzed the test phenomena and temperature changes of fire-resistant sealing specimens during the fire process,compared the temperature differences of fire-resistant sealing structures and penetrations during the fire process,and proposed suggestions for the design of fire-resistant sealing structures and the revision of relevant standards.

关 键 词：防火封堵 贯穿物 耐火性能 温度场 

分 类 号：X913.4[环境科学与工程—安全科学] TU990.3[建筑科学—市政工程]