高海拔密闭增压建筑火灾行为与消防设计研究  

Investigation on fire behavior and fire protection design of hermetic pressurization building

作　　者：张琨 王开强 刘志茂 叶智武 Zhang Kun;Wang Kaiqiang;Liu Zhimao;Ye Zhiwu(Research Center for Advanced Technology,China Con-struction Third Engineering Bureau Group Co.,Ltd.,Hubei Wu-han 430072,China)

机构地区：[1]中建三局集团有限公司中国建筑先进技术研究院,湖北武汉430072

出　　处：《消防科学与技术》2023年第11期1506-1511,共6页Fire Science and Technology

基　　金：中国建筑科技创新平台建设基金(CSCEC-PT-011)。

摘　　要：高海拔密闭增压建筑是一种能有效解决高原反应等问题的新型建筑结构形式,其内部密闭且室内压力大于环境压力,火灾行为复杂且不同于普通建筑火灾,目前尚无消防安全设计规范和方法。以某高海拔密闭增压旅馆建筑为研究对象,通过火灾动力学模拟手段考察不同设计火灾场景下的火灾行为,通过分析氧气浓度、毒气含量、温度和能见度等指标,得到不同火灾场景下的可用疏散时间,并据此给出消防设计方案,为类似高海拔密闭增压建筑的消防设计提供参照。High altitude hermetic pressurization building is a new type of building structure which can effectively solve altitude reac-tion and other problems.But due to the indoor pressure greater than the ambient pressure and closed internal environment,the fire behavior of the building is different from that of ordinary build-ings,and there are no fire safety design codes and methods now.This study takes a high altitude hermetic pressurization hotel building as the research object and investigates the fire behavior under different design fire scenarios by means of fire dynamics simulation and obtained the available evacuation time under differ-ent fire scenarios by analyzing oxygen concentration,gas content,temperature,visibility and other indicators.Based on this,the fire protection design scheme was given.This project can provide a reference for similar fire protection design of high altitude her-metic pressurization buildings.

关 键 词：高海拔密闭增压建筑 火灾行为 可用疏散时间 必需疏散时间 火灾动力学模拟 

分 类 号：X913.4[环境科学与工程—安全科学] TU391[建筑科学—结构工程]