高海拔长距离多工作面隧道施工通风方式设计与应用  

Design and Application of Ventilation Methods for High-Altitude Long-Distance Multi-Working Face Tunnel Construction

作　　者：于丽[1,2] 路明 余明洋 刘媛 周振宇 YU Li;LU Ming;YU Mingyang;LIU Yuan;ZHOU Zhengyu(School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,Sichuan,China;State Key Laboratory of Intelligent Geotechnics and Tunnelling,Chengdu 610031,Sichuan,China)

机构地区：[1]西南交通大学土木工程学院,四川成都610031 [2]极端环境岩土和隧道工程智能建养全国重点实验室,四川成都610031

出　　处：《隧道建设(中英文)》2024年第S2期369-376,共8页Tunnel Construction

基　　金：国家自然科学基金资助项目(51878567,51878568)。

摘　　要：为解决高海拔长距离多工作面隧道施工通风和能耗节约问题,将压入式和巷道式相结合提出风室式通风方式,基于风量调配理论给出不同海拔、不同通风长度和4个工作面的风机配置。将该通风方式和风仓式进行对比,体现该通风方式的优越性。研究结论如下:1)辅助坑道小于4000 m时,风室式通风方式能供给同时出渣的4个工作面。2)辅助坑道长度超过4000 m,可以调整掌子面的工序来降低需风量,从而满足各工作面的通风要求。3)相同条件下,风室式通风比风仓式通风能耗减小22.28%~54.37%。To realize construction ventilation of high-altitude and long-distance tunnels with multi-working faces and save energy,the air chamber type ventilation method is proposed by combining the press-in type and the tunnel type ventilation methods,and the fan configurations for different altitudes,different ventilation lengths,and four working faces are determined based on the theory of air volume deployment.The proposed ventilation method is compared with the air bin type to validate its superiority.Conclusions are as follows:(1)When the auxiliary pit length is less than 4000 m,the proposed ventilation method can supply four working faces with mucking process at the same time.(2)When the auxiliary pit length is over 4000 m,the air volume can be reduced by adjusting the construction process of tunnel face,so as to satisfy the requirements of ventilation for each working face.(3)Under the same conditions,the energy consumption of air chamber ventilation is 22.28%-54.37%less than air bin ventilation.

关 键 词：高海拔隧道 多工作面 长距离施工通风 通风方式 

分 类 号：U45[建筑科学—桥梁与隧道工程]