摘要:高层建筑体型对风力作用有着重要影响,因而也影响到外墙火灾的发展状况。本文应用火灾模拟软件FDS(Fire Dynamics Simulator),通过数值模拟实验研究了三种典型体型的高层建筑,并分析不同体型系数对室外风作用下的高层建筑外墙火灾发展的影响,探求体型系数对火灾温度、能见度、流速等指标的影响,进而揭示建筑体型对高层建筑外墙火灾的作用规律以及提出相应防治方法及对策,使高层建筑外墙火灾防治更加合理,为后续防火技术方法研究提供依据。23953 毕业论文关键词: 高层建筑;风载荷;外墙火灾;体型系数;FDS
The influence study for the form of High-rise Construction to the fire of exterior wall under the action of outdoor air
Abstract: High rise buildings have an important influence on the action of the wind, which also affects the development of external wall of fire. Fire simulation software FDS was used in this paper. Research on the three typical high-rise by numerical simulation and analyze the effect of different shape coefficient on the development of exterior wall of high-rise building fire under wind action outdoor to search the effect size coefficient on the fire temperature, visibility, velocity of flow index, which reveals the shape of the building on the law fire wall of high-rise buildings and puts forward corresponding countermeasures and prevention method, the external walls of high-rise building fire prevention is more reasonable, and provide basis for the subsequent fire prevention technology research.
KeyWords: high-rise;wind load;external wall of fire; shape coefficient;FDS