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Best regards
Zmags
Tunneling
June/July 2010
www.tunnellingjournal.com journal
north american
MAKING
MOVES UNDER
MANHATTAN
EAST SIDE ACCESS TAKES SHAPE
SEE PAGE 13 SEE PAGE 11 DETAILS ON PAGES 5-9
LOOSING
THE GREEN
ARGUMENT?
BOB GOODFELLOW
ON FIGHTING THE
GOOD FIGHT
NIAGARA ON
FORM
AFTER NUMEROUS
SETBACKS NIAGARA
IS FINALLY MAKING
GOOD PROGRESS
SECOND AVE
SUBWAY
LAUNCHES
PLUS OTHER NEWS
FROM AROUND
THE US & CANADA
Tunnelling
www.tunnellingjournal.com June/July 2010
Tunneling
Tunnelling w
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contentS Keeping cutter wear down is es
HERRENKNECHT AG | UTILITY TUNNELLING | TR
OK, MAYBE it's time for a bit of a reality check,
NEWS FROM THE WEB www.tunnellingjournal.com - bre
www.tunnellingjournal.com - breaking industry new
GROUTING TWO PART OR NOT TWO PART? Gordon Battye
GROUTING LEFT: One of the two Kawasaki TBMs used
GROUTING Standard mixing
:+(1 3(5)250$1&( 3(5)250$1&( 0$77(56 :K\GRWXQQ
GROUTING
GROUTING c) A dedicated grouting station out wit
INTERVIEW Managing affairs at MTR TJ
INTERVIEW which is now under construction,” expl
INTERVIEW substantially aided by modern advances
INTERVIEW the Corporation to repay to Government,
XRL RIGHT: Drilling for core is expensive but
XRL ramping up
XRLShenzhen to the boundary, where a 'handover'
Commitment. MAPEI Underground Technology
VIEWPOINT Bringing certainty to the unknown Arno
VIEWPOINT GRCs may be used as a framework to
CUTTERWEAR
CUTTERWEAR Cutting Down on Consumable WEAR Desi
CUTTERWEAR the cutter RPM, provides an indicatio
CUTTERWEAR and plan cutter changes. Additionally
MONITORING MONITORING - THE NEED for new infrast
MONITORING University developed the PIV techniqu
MONITORING Figure 3: Wall 7S North London Line N
Precision for everyday safety
further SITE REPORTR l y o og nks to re
SITE REPORT Back to the beginning The very natu
SITE REPORT each time it was done. The first lau
SITE REPORT then disassembled inside the tunnel
The first in a series of TECHNICAL WEBINARS from
STAYING GROUNDED WHAT ARE THE LIMITS OF TBM TUN
Easy-to-use Simple Accurate
CONTRACT LAW Foot on the peddle - acceleration of
CONTRACT LAW overall timeframe is achievable and
CONTRACT LAW may include ... changes in any spec
SHOTCRETE Rebound reduction through POLYMER MODIF
Tests carried out in the Hagerbach Test Galleries
SHOTCRETE 100 80 60 40 20 0
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SHOTCRETE Figure 3: Comparison of early strengt
SHOTCRETE Figure 6: Early strength compared with
contact US Gary Tween Managing Director Tel: +
Tunnelling Journal magazine will provide a soli
Tunnelling www.t
north american Tunneling
HERRENKNECHT AG | UTILITY TUNNELLING | TR
comment Deeper benefits If there is one thing t
® ® Don't replace wo
www.tunnelingjournal.com - breaking industry news
NEWS www.tunnelingjournal.com - breaking industry
NEWS FROM THE WEB internet round-up Coxwell bypa
internet round-up NEWS FROM THE WEB announced. L
PROVEN Offering new and used tunneling equipment
NIAGARA TUNNEL Back on form at Following
CONCEPT TO COMPLETION AUTOMATED GROUT & SLURRY S
VIEWPOINT Are we losing the green argument?Bob Go
EAST SIDE ACCESS DEEP BELOW New York's iconic Gra
EAST SIDE ACCESS `The ESA is the first expansion
BUILDING A WORLD OF DIFFERENCE® Just another engi
EAST SIDE ACCESS long; and two 5,200ft (1,584m)
EAST SIDE ACCESS way back to the access shaft in
569;/(4,90*(5;<55,305.*65-,9,5*,
o in EGAS LAKE MEAD Ready to g LAS V In Nevada
ABOVE: Water levels have been dropping in Lake Me
LAKE MEAD ABOVE: Empty shape charges awa
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