Digital Issue 2010 trial preview 150 dpi

WORLD RECORD A
CONGRATULATIONS ON THE FINAL BREAKTHROUGH
The The final final breakthrough at at the the Gotthard Base Tunnel on on March 23, 23, 2011 in in the Western tunnel
and and on on October 15, 15, 2010 2010 in in the the Eastern tunnel marks the the most sig sig nificant milestone on the
way way to to completing the the longest railway tunnel in in the the world. Europe salutes Switzerland’s
achievement in creating this this 2 2 times 57 57 kilometer long epoch-making project to to connect
northern and and southern Europe by by rail rail through the the Alps. Our thanks go go to to the client AlpTransit
and and our our customers for for allowing us us to to be be part part of of this this spectacular feat and historic undertaking
with with our our tunnelling technology.
NORTH
NORTH
m above m above sea sea level
level
3,000
3,000
2,000
2,000
ERSTFELD
1,000
1,000
AMSTEG
Aar Aar Massif
Massif
2008 2008 Tunnel Tunnel length: length: 7,148m 7,148m (1) (1) 2009
2009
2003
2003
500
500
Tunnel Tunnel length: length: 7,116m 7,116m (2)
(2)
ERSTFELD / / AMSTEG
Intschi Intschi Zone
Zone
Tunnel Tunnel length: length: 10,722m (3)
(3)
Tunnel Tunnel length: length: 10,703m (4)
(4)
AMSTEG / / SEDRUN
AGN AGN Consortium: STRABAG AG AG Tunnelbau Schweiz (CH) (CH) / / STRABAG AG AG (A) (A)
Tavetsch
Intermediate Massif
SEDRUN
2006 2006 2007
Drill Drill & & blast tunnelling
PREVIEW
(1) Gabi (1) Gabi I, I, Herrenknecht Gripper Gripper TBM TBM S-421, S-421, 9.58m 9.58m
(2) Gabi (2) Gabi II, II, Herrenknecht Gripper Gripper TBM TBM S-422, S-422, 9.58m 9.58m
April April and and May May 2008: 2008: Start Start of regular of regular tunnelling.
July July 19, 19, 2009: 2009: 56m 56m of new of new tunnel tunnel are are created created in just in just 24 24 hours. hours. This This
is deemed is deemed to be to a be world a world record record for a for hard a hard rock rock TBM TBM of such of such dimensions.
June June 16, 16, 2009 2009 and and September 16, 16, 2009: 2009: The The machines reach reach their their
targets targets after after just just 18 months 18 months – 6 – months 6 months ahead ahead of of schedule. Deviation
from from the ideal the ideal axis axis measures measures only only 4mm 4mm in the in the horizontal and and 8mm 8mm in in
the vertical. the vertical.
Top Top tunnelling performances: 56m/day, 185m/week, 711m/month.
(3) (3) Gabi Gabi I, I, Herrenknecht Gripper TBM TBM S-229, 9.58m
(4) (4) Gabi Gabi II, II, Herrenknecht Gripper TBM TBM S-230, 9.58m
October 2003 2003 and and January 2004: Start of of regular tunnelling.
2004: 2004: The The TBMs TBMs pass pass the the Intschi fault fault zone zone more quickly than planned.
June June 2005: A A mixture of of water and and fine fine material entered the the cutterhead
in the in the western tube. tube. The The TBM TBM must must be be freed and and cannot restart tunnelling
until until November.
June June and and October 2006: The The construction site site teams successfully complete
tunnelling at at the the end end of of the the lots, lots, 9 9 and/or 6 6 months ahead of of the the schedule.
Top Top tunnelling performances: 40m/day, 210m/week, 688m/month.