WT Mar 2010
Global News
‘Unforeseen geological event’ closes hydropower station
A tunnel collapse has shut down Ethiopia’s newest and biggest hydropower station only weeks after it was opened. Full story...
Aquajet makes light work of Montreal tunnel
Extensive hydro-demolition is under way on Montreal’s Highway 720 Ville Marie tunnel, as part of refurbishment works necessitated by failing concrete. Full story...Positive start for Normet
Normet has announced a promising start to 2010 with a capacity expansion in Finland, a new spare-parts centre in Holland and a big order from Hong Kong Full story...New appointment at Normet
Normet International has appointed Odd-Bjørn Kleven as director of tunnelling and special projects, a position which he has already taken up. Full story...UK tunnel/shaft lining spec nears
British Precast, the trade body for the UK concrete products industry, has started preparing a new specification for precast tunnel and shaft linings. Full story...Robbins TBM turns Mexican heads
Following an official cutter-turning ceremony in January, the largest TBM ever seen in Mexico began excavating the 7.7km tunnel for Mexico City’s Line 12 metro. Full story...Cavico in second Hua Na power station deal
Vietnam-based infrastructure construction specialist Cavico has signed a new agreement with state-owned Lilama for additional construction work at the Hua Na Hydropower plant in Vietnam. Full story...BAM Nuttall wins Blackwall Tunnel refurb contract
UK-based BAM Nuttall Group (BNG) will be refurbishing the northbound bore of London’s Blackwall Tunnel under a US$76 million contract, signed recently with Transport for London. Full story...Features
Free as a bird
A geologist and civil engineer by training, Boston area-based geoconsultant Dr Peter J Tarkoy is a controversial and self-styled visionary in the tunnelling industry. He talks to George Demetri Full story...
From the ground down
Innovative and patented ground-consolidation technologies were used for a series of structural and waterproofing measures on this tunnel project in Austria Full story...Where are we with slurries?
Barry L Sorteberg, president of Clean Slurry Technologies, looks at the current state of play in slurry technologies Full story...Your ITA needs you
The recent WT Roundtable raised serious questions about the function of the International Tunnelling Association (ITA). Here is an edited transcript of the debate Full story...Mexican TBMs roll off global assembly line
TBM manufacturing is becoming a truly global affair. George Demetri reports on a project in Texas which brings together a world-wide manufacturing and shipping effort Full story...The big fair with the best ware
With Bauma just around the corner on April 19-25 at the New Munich Trade Fair Centre in Munich, Germany, we take a look at selected exhibitors from the tunnelling sector Full story...Site Search
Log inIssue: WT Mar 2010
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