隧道施工期间不同通风方式的对比研究  

Comparative Study of Different Ventilation Methods during Tunnel Construction

作　　者：岳昆 包小华[2,3] 敖翔 刘宽 吴涵 李涛 沈俊 YUE Kun;BAO Xiaohua;AO Xiang;LIU Kuan;WU Han;LI Tao;SHEN Jun(Guangdong Changzheng Construction Co.,Ltd.,Zhuhai,Guangdong 519000,China;College of Civil and Transportation Engineering,Shenzhen University,Shenzhen,Guangdong 518061,China;Key Laboratory of Coastal Urban Resilient Infrastructures(Shenzhen University),Ministry of Education,Shenzhen,Guangdong 518061,China;Shanghai Tunnel Engineering Co.,Ltd.,Shanghai 200032,China)

机构地区：[1]广东长正建设有限公司,广东珠海519000 [2]深圳大学交通与土木工程学院,广东深圳518061 [3]深圳大学滨海城市韧性基础设施教育部重点实验室,广东深圳518061 [4]上海隧道工程有限公司,上海市200032

出　　处：《中外公路》2024年第5期218-224,共7页Journal of China & Foreign Highway

基　　金：国家重点研发计划项目(编号:2019YFC1511104);国家自然科学基金资助项目(编号:52022060);深圳市科技创新计划项目(编号:JCYJ20190808112203700)。

摘　　要：随着隧道施工技术水平的不断提升,隧道掘进的速度和里程快速增长,其中隧道施工期间的通风问题是影响隧道高效、安全施工的主要问题之一。该文以珠海兴业快线(西线)隧道工程为背景,研究压入式、抽出式和混合式3种通风方式对隧道工作面附近有害气体CO的稀释情况、排出效果和洞内风速的影响。结果表明:混合式通风在CO稀释方面更有优势,而抽出式通风的CO排出效率较高,其工作面附近的风速较小。因此,虽然压入式通风在CO的稀释和排出效率方面稍弱,但在考虑工作面附近保持一定风量的情况下,应该在隧道施工中考虑采用压入式通风方式。The continuous improvement of tunnel construction technology brings a rapid increase in the speed and mileage of tunnel excavation,during which ventilation is a main problem affecting construction efficiency and safety.Taking the Zhuhai Xingye Express(West Line)tunnel project as an example,this paper studied the influences of forced ventilation,exhaust ventilation,and hybrid ventilation on the dilution and discharge of harmful gas CO near the tunnel face and the wind speed in the tunnel.The results show that hybrid ventilation performs better in CO dilution,while exhaust ventilation has higher CO emission efficiency with a lower wind speed near the working face.Therefore,although forced ventilation is slightly weaker in terms of CO dilution and discharge efficiency,it is still demanded in tunnel construction when maintaining a certain air volume near the working face is considered.

关 键 词：隧道工程 压入式通风 抽出式通风 混合式通风 CO的稀释效率 CO的排出效率 洞内风速 

分 类 号：U455[建筑科学—桥梁与隧道工程]