25TH ANNIVERSARY | T&TNA
AUGUST-SEPTEMBER 2011 region with a smaller underground market
Special report: Southwest Austin, Texas, is a tunnelling hotspot in a
Insight: North Shore Connector Pittsburgh’s light rail extension completes
WWW.TUNNELSANDTUNNELLING.COM
DECEMBER-JANUARY 2012 18 26
Port of Miami Tunnel launch The 12.8m diameter TBM starts its journey
Corrosion protection
A review of corrosion-proof liner systems for gravity sewer conveyance tunnels
WWW.TUNNELSANDTUNNELLING.COM
JUNE-JULY 2012 10 15 TheMidwest
conference is seeing a lot of sewer work Lake Mead
The region hosting thismonth’s NAT Progress on the new starter tunnel alignment
WWW.TUNNELSANDTUNNELLING.COM The offi cial publication of the Tunnelling Association of Canada The offi cial publication of the Tunnelling Association of Canada
NORTH AMERICAN EDITION December ~ January 2013
NORTH AMERICAN EDITION February ~ March 2013
Texas digs deep for
water treatment Tunnel and shaft excavations have started for Austin’s new treatment plant
Palpable progress The South Cobb Tunnel in Georgia is a year ahead of schedule
SHOW ME THE MONEY
Southern states grapple for funding
OARS on its way The hybrid TBM in Ohio will launch this month to excavate a wastewater tunnel
Focus on East Coast Tunnel lighting Client procurement
HAWAII UNDERGROUND Honolulu prepares for the challenges of excavating through an extinct volcano
West Coast • World's Largest TBM • Hoists
NORTH AMERICAN EDITION August ~ September 2013
NORTH AMERICAN EDITION June ~ July 2014
NORTH AMERICAN EDITION August ~ September 2014
NORTH AMERICAN EDITION February ~ March 2015
The offi cial publication of the Tunnelling Association of Canada
NORTH AMERICAN EDITION August ~ September 2015
The official publication of the Tunnelling Association of Canada
The offi cial publication of the Tunnelling Association of Canada
The offi cial publication of the Tunnelling Association of Canada
The official publication of the Tunnelling Association of Canada
WORLD’S BIGGEST BREAKDOWN
Seattle’s mammoth TBM won’t resume tunnelling until March 2015
PILE DRIVE
Cutting through piles up to 3m in diameter with embedded steel allowed TBMs to pass below Interstate 5 on Seattle’s U-Link
Vibration
TAC Workshop Grouting
University Link TAC Awards Midwest West Coast Grouting NAT Mining Refuge chambers TAC Vancouver TAC AGM Core logging
UNDER WATER
As Lake Mead's elevation continues to drop, a major structural repair keeps the TBM mining
EARLY DELIVERY
Construction completed on first
tunnel under the San
Francisco Bay
FINAL FIX
Repair work after Superstorm Sandy brings a TBM to its breakthrough
The offi cial publication of the Tunnelling Association of Canada
NORTH AMERICAN EDITION February ~ March 2016
The offi cial publication of the Tunnelling Association of Canada
NORTH AMERICAN EDITION December ~ January 2017
The offi cial publication of the Tunnelling Association of Canada
NORTH AMERICAN EDITION February ~ March 2017
The offi cial publication of the Tunnelling Association of Canada
NORTH AMERICAN EDITION April ~ May 2017
The offi cial publication of the Tunnelling Association of Canada
NORTH AMERICAN EDITION February ~ March 2018
GROUNDED
Seattle's biggest TBM is repaired and returns underground
The offi cial publication of the Tunnelling Association of Canada
Kemano
Latin America
WTC 2016
TUNNEL TRADITION
The industry celebrates Santa Barbara, the patron saint of tunnellers, in December
NORTH AMERICAN EDITION April ~ May 2018
The offi cial publication of the Tunnelling Association of Canada
NORTH AMERICAN EDITION February ~ March 2019
COMPLEX SUCCESS
Coping with difficult ground in Florida GOING LIVE
The Southeast Collector makes a successful sewer bypass
The offi cial publication of the Tunnelling Association of Canada
NORTH AMERICAN EDITION April ~ May 2019
The offi cial publication of the Tunnelling Association of Canada
NORTH AMERICAN EDITION April ~ May 2020
The offi cial magazine of the Tunnelling Association of Canada
UNDERGROUND
Building LA’s Regional Connector Transit Corridor in shallow depth
NORTH AMERICAN EDITION August ~ September 2020
GROWING
ROCKING OUT IN RETROSPECT
Cities stand to gain as tunnelling and trenchless technologies advance
NORTH AMERICAN EDITION March 2021
A supplement to Tunnels & Tunnelling International Breakthrough at Atlanta’s Bellwood Quarry
DOWN BY THE BAY
Construction starts at Lake Ontario’s Ashbridges Bay
CROSSING TORONTO
Building the Eglinton Cross LRT line
www.tunnelsonline.info | December 2021
www.tunnelsonline.info | Spring 2022
www.tunnelsonline.info | Winter 2022
EMISOR ORIENTE
Building Mexico’s complex mega-tunnel
www.tunnelsonline.info | Winter 2023
Shafts and caissons
ROBBINS REBORN
The TBM maker looks forward to a bright future
14
BART transit system
Expanding BART into Silicon Valley
28 Design technology
McMillen Jacobs on 3D parametric design work
32 BGA Cooling Prize
Emily Riley’s winning competition entry
A few rules of thumb
NAT returns Conference prepares for Philadelphia 14 Under pressure
BTS lecture on low, intermediate and high-pressure compressed air working
28
PC linings for hydropower
Benefits and successes of precast linings for hydropower tunnels
37
Give it your best shot!
Enter your best tunnel photographs to win a prize and be published
15 Canada utilities
Vital tunnels for outfall and carrying pipelines
Underground developments
Tunneling project variety in Canada 28 Latin America
Single pass sewer solution with MTBM in Ecuador
39 International
Succeeding in the shadows - surveys in NZ
North America Ranging sizes of tunnel works in Canada and beyond 22 Interview
Past President of ITA, Tarcisio B. Celestino discusses career in Brazil
26 Trenchless
A tangled surprise challenge in Toronto overcome
44 International
Robbins hard rock rail tunnel success double drive in Turkey
Summer 2024 | 31
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