摘要
本文概要介绍了四川省和重庆市几座穿越含瓦斯煤系地层的公路长隧道在设计中采取的防瓦斯措施、施工时的实际情况以及出现的问题,并提出穿越煤系地层隧道的设计与施工的一些想法。
This paper briefly describes the countermeasures against gas in the tunnel design and the construction as well as some problems occurred in several highway tunnels passing through coal -measure stratum in Sichuan province and Chongqing municipality . Some suggestions are presented herewith .
关键词
瓦斯隧道
设计
施工
Tunnel in Gas -bearing Stratum
Design
Construction
