地下交通联系隧道典型火灾场景的烟气控制研究  

Study on Smoke Control with Typical Fire Scenario for Beijing CBD Urban Traffic Link Tunnel

作　　者：华高英[1,2] 王伟[1] 赵耀华[1] 李磊[2] 甘甜[1] 

机构地区：[1]北京工业大学建筑工程学院,北京100124 [2]中国建筑科学研究院建筑防火研究所,北京100013

出　　处：《建筑科学》2010年第8期92-97,共6页Building Science

基　　金：国家高技术研究发展计划(863计划)项目(2007AA11Z125);中国博士后基金资助项目(98004016200701)

摘　　要：本文针对北京市CBD地下交通联系隧道的结构特点和通风设计条件,在环形主隧道中设置典型火灾场景,采用数值模拟软件模拟了设定火灾场景下不同排烟工况时的烟气蔓延规律。而后,以临界风速作为主要判断标准,并以有限的烟气蔓延范围为控制要求,确定了该场景的合理烟控方案。In this paper,based on the configuration characteristics and ventilation design conditions of Beijing CBD urban traffic link tunnel（CBD UTLT）,one typical fire scenario was set in the main tunnel,and smoke flow patterns of designed fire scenario under different smoke exhaust cases were simulated.And then,taking the critical ventilation velocity as a judgment standard,and taking the limited smoke spread in the tunnel as a control requirement,a reasonable smoke control strategy was determined.

关 键 词：地下交通联系隧道 烟气控制 数值模拟 临界风速 

分 类 号：TU998.1[建筑科学—市政工程] TU921