Today on Tunnels & Tunnelling International
Smooth as silk
The Croix Rousse Tunnel rehabilitation and expansion project in Lyon, France had a number of technical considerations to overcome. This article is drawn from material provided by Vinci
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Valley Girl
The Lyon Turin high speed rail connection calls for a base tunnel under Mount Ambin. Personnel from site manager Systra, and client Lyon Turin Ferroviaire discuss plans for La Maddalena exploratory...
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On the high road
Roadheaders, the underdog of the tunnelling industry, have secured their place as an economical and variable excavation tool, ideal for short drives and changing ground. Technical journalist Rhian...
Read moreLATEST NEWS
Jakarta MRT underground construction work kicks off
Project manager PT Mass Rapid Transit Jakarta announced that work started on the underground section of Jakarta’s first metro line on 4 April.
Project manager PT Mass Rapid Transit Jakarta announced that work started on the underground section of Jakarta’s first metro line on 4 April.
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Rail package evokes 'tremendous' interest among international firms
A prequalification process, launched by Oman Rail with the aim of identifying competent bidders for its main construction package, has elicited interest from a record 102 civil engineering/construction firms from around the world, including a number of international heavyweights.
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Work on 'miracle' metro project kicks off
Work on the USD 22.5bn Riyadh Metro project began on 3 April, and Riyadh Governor Prince Khaled bin Bandar, who launched the ground-breaking work, said the project would be completed in 48 months.
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Pros and cons of Ashgabat metro project pondered
Turkmenistan's capital, Ashgabat, is looking at the prospect of having a subway system within the next few years.
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Dagachhu hydropower project to be running by mid-July
With the completion of dam construction at the 126 MW (2x63 MW) Dagachhu hydroelectric project--located on the left bank of the Dagachhu river in Dagana Dzongkhag, in the south-western part of Bhutan--and the river diverted to its original course through the dam, major civil works of the project at its intake is complete.
LATEST FEATURES
The new road tunnel at Calgary’s international airport is scheduled to open on time this spring. Conrad Hild, communications strategist with the city of Calgary, explains building the airport Trail Tunnel, from concept to construction.
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Weather the winter
Construction started on the light rail tunnel going through downtown Ottawa this fall. The project as a whole is one of the biggest construction undertakings for the city and work has coincided with one of the coldest winters on record. Nicole Robinson reports on the early stages of tunnel excavation.
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Mutual Interests
Canada’s growing natural resources market is creating demand for infrastructure construction, including tunnels. At the same time, the country can rely on the mining and oil and gas markets to bolster its economy. With the Building Canada plan renewed last year, funding is secured to continue constructing Canada’s infrastructure.
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The operator In control
An awareness of internal and mental processes relating to stress and fatigue is important when preparing for how people will react in a crisis situation. In an unusual twist, Allard Klok, project leader and trainer - tunnelling at Trainingproducties looks not at tunnel user behaviour, but operator behaviour when the pressure is on
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Shake and bake – Seismic and Geoelectric Prediction
Tucked in a corner of Bauma 2013, Geo Exploration Technologies set up their stand to showcase Bore Tunnelling Electrical Ahead Monitoring (Beam). The geoelectric system, developed a decade on from the introduction of geo-seismic predictive technology to the tunnelling industry, has a few key advantages claimed, while Amberg’s offering of Tunnel Seismic Prediction gets a revamp. Alex Conacher reports
BLOGS
ITA turns 40
WHEN CONSIDERING an anniversary it is always fun to delve into the archives and see what the past can reveal. The International Tunnelling Association's 40th birthday is no exception and when routing through the early editions of Tunnels we happened across an interview with Alan Muir Wood ahead of the first ITA meeting in Oslo, 1974.
WHEN CONSIDERING an anniversary it is always fun to delve into the archives and see what the past can reveal. The International Tunnelling Association's 40th birthday is no exception and when routing through the early editions of Tunnels we happened across an interview with Alan Muir Wood ahead of the first ITA meeting in Oslo, 1974.
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Spending Spree
This month marks the fifth anniversary of the Recovery Act, the government’s attempt to create new jobs and spur economic growth at a time when the economy seemed very bleak. Congress and President Obama issued USD 787bn in tax cuts, funding for entitlement programs (such as unemployment benefits and funding for federal contracts), grants and loans, which was later upped to USD 840bn.
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In with the new
In a Finnish conference hall in 2011, Sao Paulo hammered both Singapore and Sydney, and was selected to host the World Tunnel Congress in 2014.
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Public opinion
Almost four years ago Congress passed the Affordable Care Act (ACA) dubbed "Obamacare" by detractors. As this new year begins most aspects of the ACA that haven't already started are now effective-such as the health care exchanges for people buying their own plans, and making it illegal for insurers to deny coverage based on preexisting conditions.
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Canada’s project of the year
As tunnels went to press the Tunnelling Association of Canada's annual awards were in full swing. The award for best Canadian tunnelling project for 2013 went to a project that had to endure some of the toughest ground conditions, consistently varying, and continually testing the skills and knowledge of the teams involved.
LATEST EVENTS
World Tunnel Congress 2014 (WTC)
40th ITA-AITES General Assembly
40th ITA-AITES General Assembly
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Civil Infrastructure & Technology Exhibition 2014 (CITE)
CITE will focus on infrastructure, civil engineering, energy, geotechnical, tunnelling, waste, water and utilities, while Infrarail will focus on rail infrastructure.
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