Small net distance tunnel construction has the advantages of low cost,simple process and short construction period.Taking S249 project in Susong county as an example,this study introduces the construction technology of small clear distance tunnel under the full V class surrounding rock,aiming to provide reference for similar tunnel engineering construction to further improve the quality and safety of the project construction.
关键词
隧道施工/小净距/后行洞施工
Key words
tunnel construction/small net distance/back tunnel construction
维普
万方数据