摘要
结合张涿高速公路分水岭特长隧道工程地形、气候和气象条件,在推导隧道小时换气次数公式的基础上,提出了合理的分水岭隧道稀释异味需风量的换气次数,进而根据规范相关规定提出分水岭通风标准;对自然风阻的计算提出了修正意见,建议有效利用冬、夏季自然风在分水岭隧道通风中的动力作用,实现分水岭隧道运营期经济可行的通风系统风机配置,为类似特长隧道运营通风系统优化设计提供了借鉴。
In combination with terrain, climate and meteorological conditions of Zhangzhuo Expressway Fenshuiling Extra-long Tunnel, based on deducting the formula of tunnel ventilation rate per hour, this paper puts forward reasonable ventilation rate of needed air flow rate for diluting odor in Fenshuiling Tun- nel, and then puts forward the ventilation standard according to the corresponding regulation. In addition, the revision method for computing natural wind resistance is presented to make full use of the dynamic ac- tion of the winter and summer natural wind in Fenshuiling extra-long tunnel to realize economically via- ble fan configuration of ventilation system. It can provide reference for operation and ventilation system optimization design of the similar extra-long tunnels.
出处
《交通标准化》
2014年第16期173-178,共6页
Communications Standardization
关键词
特长隧道
通风系统
换气次数
自然风
优化设计
extra-long tunnel
ventilation system
exchange time
natural wind
optimization design
