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Best regards
Zmags
north american
Tunneling
June/July 2012
www.tunnellingjournal.com j o u r n a l
STATE-OF-THE-ART AUTOMATED
SEGMENTAL TUNNEL LINER CAROUSEL
MANUFACTURING SYSTEM
and its proprietary molds to produce
over 100 segments each shift
SEE PAGE 5 SEE PAGE 17 DETAILS ON PAGES 20-21
MOLEY'S BREAK
THROUGH
SPADINA PROGRESS
AND OTHER NEWS
FROM AROUND THE US
AND CANADA
ARE WE
HAPPY YET?
CDM SMITH'S MIKE
SCHULTZ TALKS
ABOUT ALTERNATIVE
DELIVERY METHODS
CUTTING EDGE
ROUND UP
HIGHLIGHTS FROM A
SUCCESSFUL
PRESSURIZED TBM
EVENT IN MIAMI
Tunnelling
www.tunnellingjourn
north american Tunneling
Tunnelling www.tunnelling
MAN VERSUS NATURE No two tunnels are the same. E
contentS 5 Editor's comment 6 Snapshots of
herrenknecht AG | utility tunnellinG | trAffi
editorScomment Looking at the hard or the soft o
NEWS FROM THE WEB www.tunnellingjournal.com - bre
www.tunnellingjournal.com - breaking industry new
NEWS FROM THE WEB www.tunnellingjournal.com - bre
To complete your whole.
ANYONE WHO HAS DRIVEN in Italy knows the dramatic
SITE REPORT option. Like nearly a dozen tunnels
SITE REPORT Existing A1 autostrada has a mor
CLEVER CONVEYING. SPARVO, ITALY.
Above: The longitudinal section of the Sparvo Tun
SITE REPORT excavation chamber will hold any gas
LETTERS GBR varying opinions Dear TJ, Kristina S
LETTERS Statement of Foreseeability? Dear TJ,
SEGMENTAL LININGS The future of Pre-cast Tunn
SEGMENTAL LININGS
SEGMENTAL LININGS One of the advantages of
SEGMENTAL LININGS factors, CBE has developed its
Specialists in Tunnelling and Infrastructure Recr
SEGMENTAL LININGS But the hurdle is that
SEGMENTAL LININGS sure something simpler
SEGMENTAL LININGS Design challenges for SFR se
SEGMENTAL LININGS THE LAST 10-15 YEARS has seen
SEGMENTAL LININGS has to be completed almost a
NFM TECHNOLOGIES. TUNNEL BORING MACHINE MANUFACTU
SEGMENTAL LININGS Therefore when tests failed th
SEGMENTAL LININGS breakage. Both the short and l
VIEWPOINT Synthetic fibre viable alternati s – t
Steel cages are not considered the optimum soluti
VIEWPOINT also shows that the substitution of
SPRAYED CONCRETE Waterproofing sprayed concr
SPRAYED CONCRETE into the concrete, Valenta (1970
www.linkedin.com/groups/Women-in-Tunneling-447011
INDUSTRY COMMENT The TJ Linkedin Group DRILL
INDUSTRY COMMENT & BLAST DEBATE Leo Troitski
INDUSTRY COMMENT
INDUSTRY COMMENT Ignacio Vecillas Fernández I thi
© photo credits: MVB, VINCI and subsidiaries phot
PROBE DRILLING TBM probe drilling and pre-grout
PROBE DRILLING Plan and optimize the downtime fo
PROBE DRILLING equipment
RMS CRITERION Validating Rock Mass Alex Lowson, M
RMS CRITERION Strength Criterion Coulomb paramete
RMS CRITERION Siltstone & Mudstone: σc = 40M
RMS CRITERION from tests in exploratory tunnels
RMS CRITERION Figure 7: Distribution o
The industry's leading technical publication! SU
PRODUCT NEWS Expanding intelligence in tunnelling
PRODUCT NEWS Cogemacoustic Fans Over the la
contact US Gary Tween Managing Director Tel: + 4
Tunnelling www.tunnelling
north american Tunneling
herrenknecht AG | utility tunnellinG | trAffi
comment Communication During a recent browse on
SPADINA SUBWAY EXTENSION Toronto, ON
www.tunnelingjournal.com - breaking industry news
CONCEPT TO COMPLETION AUTOMATED GROUT & SLURRY S
NEWS Contractor outreach for Hanlan Feedermain A
NEWS www.tunnelingjournal.com - breaking industry
Next-generation productivity Atlas Copco Boomer E
Beyond Tunnels Our expertise goes beyond bored t
THE INSIDER the insider Bob Goodfellow, PE, CEn
LOS ANGELES Figure 1: Map
LOS ANGELES Crenshaw/LAX nsit Corridor Project
W LOS ANGELES E Regional Connector 110 T
LOS ANGELES and other stakeholder groups.
Geotechnical, Mineral Exploration and Horizontal
VIEWPOINT IS EVERYONE HAPPY YET? Michael S. Sc
GAO FINDINGS Look back on ARC Canned over cost o
GAO FINDINGS billion, or just over a third of th
...big thanks go to Bouygues Civil Works Florida,
Tuesday 24th A great sess on on Innovat ons n TBM
COMPANY NEWS www.tunnelingjournal.com - breaking
® Visit Us at NAT, Booth #307 and Enter to W