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Best regards
Zmags
north american
Tunneling
April/May 2011
www.tunnellingjournal.com j o u r n a l
SAN FRANCISCO
NATM SPECIAL
DEFINING DETAIL AT DEVIL'S SLIDE
SEE PAGE 16 SEE PAGE 20 DETAILS ON PAGES 26-34
FULL BORE AT
CALDECOTT
NATM EXCAVATION
OF THE 4TH BORE IS
NOW WELL UNDER
WAY IN OAKLAND
SEATTLE'S
GREAT LEGACY
NATJ TAKES A LOOK
BACK AT THE CITY'S
HISTORY OF LARGE
DIAMETER TUNNELS
RETC 2011
PREVIEW
SAN FRANCISCO`S
CONFERENCE
RUNDOWN AND
EXHIBIT PREVIEW
Tunnelling
www.tunnellingjournal.com April/May 2011
The international journal for the tunnelling industry
north american Tunneling
Tunnelling www.tunnelling
herrenknecht AG | utility tunnellinG | trAffi
Above: Lee Tunnel underway (p8) Below: Si
“Sandvik’s unrivaled intelligence in tunneling gi
editorScomment One year down IT ONLY FEELS like
NEWS FROM THE WEB Crossrail awards last tunnel
www.tunnellingjournal.com - breaking industry new
NEWS FROM THE WEB www.tunnellingjournal.com - bre
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WEST DRAINAGE
portal the crews hit the Sandy Bay Fault, an extr
12 TUNNELLING JOURNAL WEST DRAINAGE do with per
WEST DRAINAGE chambers, giving the workers a safe
NFM TECHNOLOGIES. TUNNEL BORING MACHINE MANUFACTU
MTR INTERVIEW A new role in Hong With a massive e
MTR INTERVIEW Kong mass transit of mega-projects
MTR PROJECTS The projects The MTR's two most adva
MTR PROJECTS The world's leading macro
SINGAPORE 29 TBMS for Downtown Line 3 SINGAP
SINGAPORE Singapore's LTA is moving up a
SINGAPORE “Most of the excavations for t
Commitment. MAPEI Underground
VMT's 3-D laser tracker system is used to check s
PRECAST LININGS A quality control check to en
N U T R O G N I R E F A N G D www.co
PRECAST LININGS C50/60 concrete, with gran
TECHNICAL WEBINAR SERIES from 28th April, 2011
TOPICS PLANNED FOR 2011 DISCS,
PRECAST LININGS tracker checked by the manu
The power of innovative tunneling Inn
BRIGHTON DOWN IN East Sussex's chalk beds, two 4
BRIGHTON Above: Holly
BRIGHTON Tunnelling was the easy part While
BRIGHTON Left: Wear due to flint encounters Fa
PIC 2: Secondary wear on the back of a scraper P
CUTTERWEAR EXCAVATION TOOLS ARE a critical part
CUTTERWEAR
JOB OPPORTUNITY Sales Agent Brazil The Robbins
Underground spaces in the service of a
CUTTERWEAR Figure 2: Definition of tool gap Too
CUTTERWEAR Figure 3: Welde
interpretation. Cutterhead torque increases with
JOB DONE...?! Paul Cullinan of Nexus Contract Ser
PROJECT DELIVERY I HAVE HEARD it said that anyon
PROJECT DELIVERY more elaborate procedures for
BRIDGES and TUNNELS 28th - 29th June 2011
Today's soft ground EPBM tunnels are often in urb
SETTLEMENT While ground conditions are the b
June 19-22, 2011
The crew stands on the platform of a Robbins EPBM
SETTLEMENT excavating the 7.7km long Me
Conference and Exhibiti
PRODUCT NEWS Becker Mining Systems enters tunne
TUNNELLING JOURNAL 55 PRODUCT NEWS BASF improves
PRODUCT NEWS tackling fires, and res
PRODUCT NEWS must be obligatory in cabs, in
contact US Gary Tween Managing Director Tel: + 4
GUANGZHOU | SACRAMENTO | DElHi SWiFT EPB. At 3
Tunnelling www.tunnelling
north american Tunneling
Whatever your challenges are In the construction
comment Past is for reference, not residence I'
www.tunnelingjournal.com - breaking industry news
NEWS Toronto to add 30km of extra transit tunnels
PROVEN Offering new and used tunneling equipment
NEWS McNally/Aecon win Canada's challenging Port
7-Line Tail Tunnel, Manhattan, NY: Limited Cover
NATM The detail in the DEVIL'S S LI
NATM trally located, 20ft (6m) wide cross-passag
NATM Support Category Typical Advance Initial
NATM was required to meet ASTM 1550 Round De- te
NATM Table 3: Equipment use per category
T u ne n il n g T r i u m p h s
NATM
NATM F
NATM final lining. The initial support syste
Global challenges. Real solutions. Meeting underg
RETROSPECTIVE
With a new record-breaking large diameter tunnel
RETROSPECTIVE Innovative
RETROSPECTIVE It had been determined that th
Tunneling Solutions That Hold Their Ground RETC
THE INSIDER the insider Bob Goodfellow, PE, CEn
RETC PREVIEW
RETC PREVIEW RETC 2011 EXHIBITORS & BOOTHS
.YV\UK*VU[YVS:VS\[PVUZ MVY[OL4PUPUNHUK*P]PS 0UK\Z
RETC PREVIEW RETC 2011 CALENDAR OF EVENTS
RETC PREVIEW Turnkey ventilation ABC Indu
...AND RECEIVE YOUR SUBSCRIBE TODAY... F
RETC PREVIEW Cat that got the cream In 2008,
RETC PREVIEW stabilization, foundation design, a
RETC PREVIEW inflatable and mechanical pa
Difficult GrounD? cuStoM EPB. Robbins enginee