Documents Guangzhou line3 ang

1. GUANGZHOU UNDERGROUNDRAILWAY 2 EARTH PRESSURE BALANCED TBMs - Ø 6.28 mG uangzhou, within China third largest city7 millioninhabitants and which benefitseconomically of…

Documents TBM vs NATM

TUNNEL BORING MACHINE (TBM) METHOD There are two major shield methods around: earth pressure balanced (EPB) and slurry type shield machine. Selection of shield method depends…

Documents TBM SHIELD MACHINES BREAK IN AND BREAK OUT