The abstract in English:

Pre-grouting for CHI of EPB shield TBM in difficult grounds: a case study of Daegok-Sosa railway tunnel

Sung-Wook Kang 1
Jaehoon Chang 2
Jae-Won Lee 2
Dae-Young Kim 3
Young-Jin Shin 4*

1 Project Manager, Daegok-Sosa Subway Tunnel Contract No.2, HDEC
2 Manager, Daegok-Sosa Subway Tunnel Contract No.2, HDEC
3 Senior Manager, Team Leader of Civil Research Team, Institute of Technology, HDEC
4 Senior Researcher, Daegok-Sosa Subway Tunnel Contract No.2, HDEC
*Corresponding Author

https://www.jkta.or.kr/articles/article/z4Eq/