Today on Tunnels & Tunnelling International
Sprayed overbridges
SCL overbridges at tottenham court road. Andreas Feiersinger of dr. Sauer & partners, and Phillip Lea of Halcrow were the authors of this paper, which was presented at the March meeting of the...
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Massive metros
Desiree Willis, technical writer for TBM manufacturer Robbins looks to the logistical changes associated with the rise in grand metro schemes
Read moreLATEST NEWS
Northgate tunnel bids opened
A Jay Dee-led joint venture submitted the lowest bid out of six teams for the Northgate Link light rail extension project in Seattle. Sound Transit opened the bids on May 30.
A Jay Dee-led joint venture submitted the lowest bid out of six teams for the Northgate Link light rail extension project in Seattle. Sound Transit opened the bids on May 30.
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Doig to receive IOM3 award
Pat Doig, a principal project manager for Hatch Mott MacDonald based in Sacramento, California, has been awarded the prestigious International Medal by the Institute of Materials, Minerals and Mining (IOM3) it was announced last month.
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TBMs launch on Eglinton project
The first pair of TBMs mining the Eglinton Crosstown LRT project in Toronto launched on June 5.
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QAR 30bn contracts put Doha Metro on right track
In a major step towards realising a world-scale rail project in the country, Qatar Railways has awarded four “design and build” contracts worth QAR 30bn (USD 8.24bn) for the first phase of the Doha Metro Project.
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Station to connect Doha Metro with GCC railway network
A large railway station ‘of international standards’ will be built on the outskirts of Doha as part of Qatar’s rail project, work on which has started in different parts of the city.
LATEST FEATURES
Cleaning up the capital
A TBM launch this spring in Washington DC is the first of several to come as the capital cleans up its CSOs. Nicole Robinson looks at the Blue Plains Tunnel.
A TBM launch this spring in Washington DC is the first of several to come as the capital cleans up its CSOs. Nicole Robinson looks at the Blue Plains Tunnel.
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Go West
The market for megaprojects moves to the West Coast as tunnelling wraps up on most New York Subway drives, Nicole Robinson reports.
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Sprayed overbridges
SCL overbridges at tottenham court road. Andreas Feiersinger of dr. Sauer & partners, and Phillip Lea of Halcrow were the authors of this paper, which was presented at the March meeting of the british tunnelling Society
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Massive metros
Desiree Willis, technical writer for TBM manufacturer Robbins looks to the logistical changes associated with the rise in grand metro schemes
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Prague metro
Ermin Stehlik and Vaclav Soukup of Metrostav return with the most recent chapter, and final part of the article, on prague metro’s history. in this portion, epBms fire into action on running tunnels on the V.a. extension
BLOGS
Face the facts
As this issue of Tunnels North America goes to print, three significant events took place in the US within days of each other. Two brothers set off bombs at the Boston Marathon, a fertiliser plant exploded in Texas and the Federal Aviation Administration furloughed air traffic controllers as part of the government-wide sequester, the current buzzword for USD 85bn spending cuts.
As this issue of Tunnels North America goes to print, three significant events took place in the US within days of each other. Two brothers set off bombs at the Boston Marathon, a fertiliser plant exploded in Texas and the Federal Aviation Administration furloughed air traffic controllers as part of the government-wide sequester, the current buzzword for USD 85bn spending cuts.
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Down and out: caterpillar tunneling
There is no escaping the big story this month. The company that was going to change the way we buy TBMs and ultimately the way we design tunnels has abandoned the industry. Caterpillar last month announced the closure of it's Toronto-based TBM manufacturing business Caterpillar Tunnelling Coporation Canada (CTCC) and exited the TBM market.
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An open letter to the U.S. Congress
Dear elected officials, or the interns who open their mail, while I have no direct affiliation with the organisers, I’m going to go out on a limb, here, and invite you to RETC, the Rapid Excavation Technology Conference, which is being held in your neighbourhood this June. I’m sure they won’t mind.
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A cost of price
The UK has been hit by a supply chain scandal in the past month that seems unrivalled in recent years. One of the most regulated industries has spectacularly failed. British and European consumers have been eating horsemeat disguised as beef. This scandal offers a warning on price driven markets. The introduction of horsemeat into beef products has affected the lowest price readymade meals. Opportunists in the supply chain delivered cheap ‘beef’ to undercut competition.
LATEST EVENTS
Rapid Excavation & Tunneling Conf (RETC), Washington DC, US
Marriott Wardman Park. Organised by the SME - Society for Mining, Metallurgy & Exploration. DEADLINE for conference paper abstracts 30 June 2012.
Marriott Wardman Park. Organised by the SME - Society for Mining, Metallurgy & Exploration. DEADLINE for conference paper abstracts 30 June 2012.
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15th International Symposium on Aerodynamics, Ventilation & Fire in Tunnels
The Symposium, celebrating its 40th year, is focused towards knowledge transfer on aerodynamics, ventilation and fire in tunnels. The event will take place at the Tryp Apolo Hotel, Barcelona08004 and is already supported by the Spanish and UK World Road Associations (PIARC) National Committees.
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Bauma Africa
The massive construction show holds its first edition in Africa, focusing on all sectors on the construction industry.
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