CONSTRUCTION METHOD OF TUNNEL

• Main Authors: BESSHO TOSHIHIKO, INO TOSHIMI
• Format: Patent
• Language: English
• Published: 26.01.1999
• Edition: 6
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

PROBLEM TO BE SOLVED: To improve execution by constructing a ceiling part and a floor part by a shield tunnel with an underground wall as a side wall, and excavating the inside of an outer shell connecting these. SOLUTION: In the case where a large cross section tunnel is constructed, a substantiall...