大跨度特长公路隧道多断面施工通风技术探讨

On exploration for ventilation technique of multi-section construction of large-span super-long road tunnels

针对阳曲1号隧道多断面施工通风特点,介绍了大跨度特长公路隧道多断面施工通风技术,并对施工过程中的相关事宜进行了简单说明,指出该工程采用的混合式通风方案经济、实用,且有效的提高了工程进度,对今后同类隧道工程施工通风积累了经验。

According to the features of the ventilation for the Yangqu No.1 large-span super-long roads,the paper introduces the ventilation technique of the multi-section construction of the large-span and super-long road tunnels,undertakes the brief indication on the relative issues in the construction process,and points out the project adopts the mixed ventilation scheme,which is economical,practical and effective,so it can improve the project progress and accumulates experience for similar tunnel projects.