PORTFOLIOS > DIGGING BOSTON 1994 - 2006

To extend I-90 under the rail tracks without disturbing service, tunnel boxes are being cast in pits and then will be jacked under the active tracks. To stabilize the soft earth deep ground grouting and or freezing measures were employed.

TUNNEL JACKING BEHIND SOUTH STATION 2000
TUNNEL JACKING BEHIND SOUTH STATION 2000
May 08, 2000