Tunnelling shield

#	Item
1	& Present a JOINT TUNNELING SEMINAR on WEDNESDAY SEPT 12 TH at NOON in BB 125 entitled: Seattle’s Alaskan Way Tunnel has a finished outside diameter of 56 feetmeters) and will be the largest soft-ground TBM-exca Add to Reading List Source URL: uct.mines.edu Language: English - Date: 2012-11-12 05:10:50 Tunnels Construction Real estate Bridges Civil engineering Infrastructure Tunnel Alaskan Way Viaduct replacement tunnel Link Light Rail Tunnelling shield Earth pressure balance