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서천터널 굴착 중 용출수 발생에 따른 터널 보수ㆍ보강 사례
최혁(Choi Hyuk),김선곤(Kim Sun-Kon),김흥국(Kim Heung Kuk),홍준표(Hong Jun Pyo) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
During excavation in seocheon tunnel, sudden groundwater inundation occurred in complex hydro-geological environments prevailing in underground tunnel. Large volumes of groundwater flowed into tunnel at STA 54km600. The authors have provided a comprehensive background to hydro-mechanics of groundwater with a geological analysis, ground investigation, hydromechanical modelling etc. To reinforce tunnel, we have applied the TAS grouting and the steel multi-layer grouting, and comfirmed the effects of reinforcement.