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Best regards
Zmags
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north american
Tunneling
Oct/Nov 2013
www.tunnellingjournal.com j o u r n a l
TORONTO CITY AIRPORT’S PASSENGER
TUNNEL PROVIDES A CHALLENGE
BUILDING BILLY BISHOP
SEE PAGE 5 SEE PAGE 8 DETAILS ON PAGES 24-26
NEW IRVINGTON
COMPLETES
LAKE MEAD'S $12M
CHANGE ORDER AND
OTHER NEWS FROM
NORTH AMERICA
INVESTIGATING
SEATTLE SOILS
A LOOK AT THE SR 99
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Left and above: The boomer rig taking care of var
ENVIRONMENTAL MONITORING AND MACHINE CONTROL: FRO
editorScomment Go back to go forward… IT'S INTER
NEWS FROM THE WEB Huge contracts tendered for A
www.minovainternational.com NEWS
NEWS FROM THE WEB
“Safety aspects are one of those high priorities
SITE REPORT The vast sprayed concrete lined caver
SITE REPORT
SITE REPORT Figure 1: Plan diagram of the Stepn
SITE REPORT Groundwater and sand channels i
SITE REPORT Figure 3: Diagram showing the full
SITE REPORT Drifts in operation
Sparvo revisited - turning the BIG MACHINE
SITE REPORT of the largest ever made, certainly
SITE REPORT Schematic showing the turning princip
ALWAYS ADVANCING www.terratec.com.au
SITE REPORT injection nozzles to the centre of t
SITE REPORT responsible for the waste disposal,
SITE REPORT The Soilmec drill rig is being used t
CLEVER CONVEYING. SPARVO, ITALY.
SPRAYED CONCRETE Stresses from strains In this a
SPRAYED CONCRETE of the tunnel lining. As I hav
SPRAYED CONCRETE determined from shrinkage te
Commitment. 7KHGHWDLOZKLFK PDNHVWKHGLijHUHQFH
TBMS FACTORS OF SCALE for large diameter
TBMS C Bambridge, Principal Project Figure 1:
TBMS Way Viaduct (AWV) project in Seattle, had se
The 12th 12th Australian Tunnelling Australian
TBMS Figure 4: Minimum cover for large diameter
TBMS portals and shafts. This is due to
TBMS segmental clearance using four row wire brus
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TBMS volumes of muck can mask the effects of over
Take control with a winner
ROADHEADERS Malta's flood relief plan The count
ROADHEADERS The new water diversion systems w
DRILL & BLAST Atlas Copco's RCS 5, receiv
TUNNELING When true effectiveness is spelled s-a-
SEGMENTS
SEGMENTS Reinforcement cage
SEGMENTS Table 1: Fresh concrete test results
SEGMENTS Upon arrival of the segments at the de
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SEGMENTS invoice for the accepted segments.
PRODUCT NEWS Simple technique to combat tunnel fi
PRODUCT NEWS Excalibur to reveal Screwbolt PLUS a
PRODUCT NEWS Trolex launches Sentro D Trolex ha
PRODUCT NEWS Fugro protecting Glasgow's old subw
contact US Gary Tween Managing Director Tel: + 4
THE PATH OF LEAST RESISTANCE Carving paths throug
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north american Tunneling
comment Vital circles There is a daunting web s
Geotechnical, Mineral Exploration and Horizontal
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NEWSwww.minovainternational.com Emergency change
SR 99 TUNNEL Characterizing Seattle's Soils
_Fletcher® has kept too much quiet for to
SR 99 TUNNEL Opposite page: The SR 99 Alaskan Way
JOBS DONE WELL. For over 50 years, Kiewit's Unde
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SR 99 TUNNEL the south and north portals are sho
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PROVEN Offering new and used tunneling equipment
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the insider Bob Goodfellow, PE, CEng, Senior V
TORONTO The Billy Bishop Toronto City Air
TORONTO 80 75 70 65 60 55 50 45 Figure 1
concessionaire Forum Equity Partners in November
TORONTO Technicore drilled `primary' tunnels
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NORTHERN BLVD ESA's SEM challenge In a project fu
NORTHERN BLVD
NORTHERN BLVD As with any freeze, place
George A. Fox Conference 21st Century Challenges