高海拔深埋长隧道施工通风技术研究  

Study on Construction Ventilation Technology of High-Altitude Deep-Lying Long Tunnel

作　　者：王政松 陈智勇 王忠勋 李军 张纪强 WANG Zhengsong;CHEN Zhiyong;WANG Zhongxun;LI Jun;ZHANG Jiqiang(China Railway 23rd Bureau Group Co.,Ltd.,Chengdu 610072,China;China Railway 23rd Bureau Group 1th Engineering Co.,Ltd.,Rizhao 276826,China)

机构地区：[1]中铁二十三局集团有限公司,四川成都610072 [2]中铁二十三局集团第一工程有限公司,山东日照276826

出　　处：《国防交通工程与技术》2022年第5期43-47,共5页Traffic Engineering and Technology for National Defence

摘　　要：隧道施工通风是保护作业人员健康与安全的重要措施,同时也是影响施工进度和质量的关键因素。依托大(理)瑞(丽)铁路杉阳隧道进口段工程,采用理论计算与现场施工相结合的方法,对高海拔深埋长隧道施工通风需风量、风机选型以及通风设计进行了分析研究。结果表明,高海拔深埋长隧道施工通风应根据施工里程和通风参数,制定不同开挖长度下隧道通风专项技术方案;通风风量计算要考虑海拔高度的影响,采用海拔高度修正系数进行修正。实践证明,通风效果良好。Tunnel construction ventilation is an important measure to protect the health and safety of workers, and it is also a key factor affecting the construction progress and quality. Based on the entrance section of the Shanyang tunnel of Dali-Ruili Railway in China, this paper analyzes the ventilation technology by using theoretical calculation with on-site construction. The ventilation technology includes ventilation air volume, fan selection and ventilation design. The results show that different tunnel ventilation special technical schemes for different excavation length should be formulated according to the construction mileage and ventilation parameters of deep-lying long tunnel;The influence of altitude is considered in the calculation of ventilation air volume and the altitude correction coefficient is used for correction.Practice has proven that the ventilation effect is good.

关 键 词：高海拔 深埋长隧道 小断面 通风技术 

分 类 号：U455.4[建筑科学—桥梁与隧道工程] U459.4[交通运输工程—道路与铁道工程]