As the topography of Korea consists of mountains at about seven for tunnel construction according to the expansion of the exist ing highway and construction of new highway. Theconcrete lining of tunnel portals has been designed with reinfo temperature...
As the topography of Korea consists of mountains at about seven for tunnel construction according to the expansion of the exist ing highway and construction of new highway. Theconcrete lining of tunnel portals has been designed with reinfo temperature in the inside and outside of tunnel. In the paper, the application of steel fiber reinforcement concrete wasanalyzed as the lining concrete at tunnel portals and through steel fiber reinforcement concrete was assessed as the lining m ember of tunnel portal.