为解决单斜井双正洞多开挖面平行施工通风难题，介绍一种新型隧道施工隔板风道通风技术，通过对该项技术通风原理、布置方式、适用条件和操作要点等进行分析，发现其在通风系统设计计算方面的特殊性，并举例重点阐述该通风技术的计算分析过程，提出合理的计算分析方法，证明其节能优势，总结出该通风技术的优越性，为该项技术在推广应用中的方案设计与优化提供技术支持。

There is great difficulty in the ventilation during tunneling at multiple faces of twintube tunnel accessed from one single inclined shaft. A new technology for ventilation through air channel formed by false ceiling is presented. The ventilation principle, layout mode, applicable conditions and key operation points of the mentioned ventilation technology are presented. The calculation and analysis of the ventilation technology is presented with emphasis. Rational calculation and analyzing method is proposed, which demonstrates that the mentioned ventilation technology has advantage in energysaving. The superiorities of the ventilation technology are summarized. The paper can provide technical reference for the design and optimization of ventilation technology in the future.