为加快长大隧道施工进度，多采用开挖斜井增加工作面，而多工作面同时施工时，通风成为影响掘进速度的重要因素。以金家庄螺旋隧道斜井工区工程为依托，针对左线现有压入式通风方案工作面风量较小、通风效果较差的问题，提出风仓式通风方案。采用三维数值模型对2种方案的“风机-风管-隧道”系统进行计算分析，并将数值计算所得测点风速与现测数据进行校验。计算结果表明： 1）现有压入式通风，风管供风量和洞内风速均不能满足隧道施工通风要求； 2）采用风仓式通风方案后，能较好地控制工作面风管出口风量，使各工作面风量满足要求； 3）风仓式通风具有灵活性，可随着隧道开挖进尺的增加，调节风仓内风机，控制工作面风量； 4）风仓式通风能减少风管长度和转角，从而减少漏风量和风压损失，较好地为工作面提供风量。本文研究成果可为类似工程提供参考，具有实际工程意义。

Inclined shaft is often used to increase working faces and thus to speed up the construction progress of long and large tunnels, but with multiple working faces, ventilation becomes an important factor affecting excavation speed. Based on the inclined shaft work area project of Jinjiazhuang spiral tunnel, air cabin ventilation is proposed since forced ventilation used in leftline working faces exists the problems of low air flow and poor ventilation. And then threedimensional numerical model is used to calculate and analyze the "fanwind pipetunnel" systems of the two schemes, and the numerical results are verified by the current measured data. The calculation results show that: (1) For existing forced ventilation, both the air flow of wind pipe outlet and wind speed inside the tunnel can not meet the requirement of tunnel construction; (2) After adopting air cabin ventilation, the air flow of wind pipe outlet can be better controlled and meet the requirement of construction; (3) Air cabin ventilation is flexible, and the fan inside cabin can be adjusted to control the air flow; (4) Air cabin ventilation can reduce the length and angle of wind pipe, therefore, the air leakage and wind pressure loss of wind pipe also can be reduced, and air flow can be better provided for the working face.The research results can provide reference for similar projects and have practical engineering significance.