隧道掘进的半循环通风探讨

Research on the Way of Semi cycle Ventilation in Tunnel Driving

探讨了隧道掘进的半循环通风方式，分析了排尘和排烟过程。讨论了半循环通风方法应用于隧道掘进的可能性。

This paper researches on the way of semi cycle ventilation in tunnel, analyses the process of removing dust and blasting gas from tunnel, and discusses the possibility of using the way on working face.