水工隧洞钻爆法施工中的通风散烟

Ventilation and Smoke Exhaust of Hydraulic Tunnel Constructed by Drilling and Blasting Method

以山西省中部引黄工程27号支洞的通风散烟的实际情况为例,介绍了通风散烟目的、标准、通风设计和大长隧洞常规钻爆法施工设计中通风散烟的重要性。

Taking the actual situation of ventilation and smoke exhaust for NO.27 constructing drift of Shanxi Middle Region Yellow River Diversion Project as an example,the paper introduces the purpose,standard of ventilation and smoke exhaust and ventilation design,and expounds the importance of ventilation and smoke exhaust in construction design of tunnel with long length and large cross section excavated by drilling and blasting method.