隧道穿越顺层偏压高瓦斯地段施工控制技术研究  

Research on Construction Control Technology of Tunnel Passing through Bedding,Bias Pressure and High Gas Section

作　　者：钱其锋 QIAN Qi-feng(China Railway 12th Bureau Group No.1 Engineering Co.,Ltd.,Xi'an 710038,China)

机构地区：[1]中铁十二局集团第一工程有限公司,西安710038

出　　处：《价值工程》2022年第1期70-72,共3页Value Engineering

摘　　要：本文就成贵铁路镇雄至毕节区间隧道施工为工程实例,以高坡隧道(D3K338+600.78~D3K343+168.78)在施工过程中穿越顺层偏压高瓦斯地段施工方法及施工控制技术为施工实例,详细阐述了隧道穿越顺层偏压高瓦斯地段时采用“横洞、平导、通风竖井+全封复合式衬砌”方法作为通风及支护的施工控制技术。This article takes the construction of the Zhenxiong to Bijie section tunnel on the Chenggui Railway as an engineering example.The construction method and construction control technology of the high-slope tunnel(D3K338+600.78~D3K343+168.78)passing through the layered,biased and high gas section during the construction process the construction example elaborated in detail that the method of"horizontal tunnel,flat guide,ventilation shaft+fully enclosed composite lining"is used as the construction control technology for ventilation and support when the tunnel passes through the layered,biased and high gas area.

关 键 词：顺层偏压 高瓦斯 通风竖井 复合式衬砌 

分 类 号：U455[建筑科学—桥梁与隧道工程]