摘要
文中针对高层建筑设计中广泛应用的凹型外立面,采用FDS火灾动力学模型对火灾蔓延特性展开数值模拟研究,分析了不同结构因子下外立面温度场分布以及火灾危险性的影响,进一步揭示了火灾蔓延控制机制。结果表明火灾烟气沿凹型外立面的快速蔓延是由凹槽宽度和进深共同决定的,并对凹槽结构参数做出一定要求,从而为高层建筑外立面火灾烟气防控提供参考依据。
The FDS fire dynamics model is used to simulate the fire spread characteristics of the concave facade,which is widely used in high-rise building design.The temperature field distribution and fire risk of the facade under different structural factors are analyzed,and the control mechanism of fire spread was further revealed.The results show that the rapid spread of fire smoke along the concave facade is determined by the width and depth of the groove,and certain requirements are made for the groove structure parameters.
作者
王甘雨
黄琼
卢莎
吴珂
WANG Ganyu;HUANG Qiong;LU Sha;WU Ke(Center of Balance Architecture,Zhejiang University,Hangzhou 310007,China;Key Laboratory of Offshore Geotechnics and Material of Zhejiang Province,Zhejiang University,Hangzhou 310058,China;Hangzhou Qianjiang New CBD Construction&Development Co.,Ltd.,Hangzhou 310020,China)
出处
《低温建筑技术》
2022年第12期55-60,共6页
Low Temperature Architecture Technology
关键词
高层建筑
凹型外立面
烟囱效应
结构因子
high-rise building
concave facade
chimney effect
structure factor
