综合管廊通风系统设计分析

Discussion of Ventilation System Design for Urban Utility Tunnel

结合现行综合管廊及相关设计规范,对综合管廊防火分区和通风单元划分,通风型式进行分析探讨,得到综合管廊常见舱室的通风单元长度,通风型式采用自然进风和机械排风相结合的方式。同时对管廊运行策略进行探讨,需要考虑夏季梅雨季节管廊结露情况,并提出解决措施,保证管廊长期有利运行。

Combined with the technical code for urban utility tunnel engineering, the fire compartment and ventilation unit, ventilation mode and strategy are analyzed and discussed. The ventilation unit length of the comprehensive corridor is obtained, and the ventilation type is combined with the combination of natural air intake and mechanical exhaust. The operation strategy of utility tunnel is discussed, considered the dew condensation situation of pipe corridor in summer rainy season, and the solution is proposed to ensure longterm operation of utility tunnel.