WT June 2012
Crossrail - first SCL tunnels completed
As part of the construction of Crossrail Liverpool Street Station, the project’s first two sprayed concrete tunnels have been built under Finsbury Circus in the City of London – a stone’s throw from the offices of World Tunnelling Full story...Arup wins design work on Santiago metro stations
Metro de Santiago has appointed UK-based engineering services provider Arup to lead the concept design of 11 stations in the Chilean capital Full story...UK construction slow-down deepens
While the UK tunnelling sector is enjoying an unprecedented boom, the recession in the nation’s construction industry is deeper than previously thought, according to the latest statistics released by the Office of National Statistics Full story...PB/LiRo team wins NY syphon contract
A joint venture comprising Parsons Brinckerhoff and The LiRo Group has been awarded a contract by the New York City Economic Development Corporation to provide engineering services and oversee the construction of a new water syphon between Brooklyn and Staten Island Full story...Crossrail - TBM breaks ground at Royal Oak
Tunnel boring machine ‘Phyllis’ has broken ground at Royal Oak and marked the start of excavation on Crossrail’s first section of tunnel between Royal Oak and Farringdon, scheduled for completion in 2013 Full story...Crossrail - updating the Connaught Tunnel
Dewatering wells have been sunk at the 130-year-old Connaught Tunnel, which will form part of the Crossrail route in east London Full story...
Global News
A58 road tunnel to undergo major structural repairs
Leeds City Council, UK, is carrying out a structural assessment of a city-centre tunnel that is suffering from corrosion and spalling caused by road de-icing salts Full story...
Crossrail - first SCL tunnels completed
As part of the construction of Crossrail Liverpool Street Station, the project’s first two sprayed concrete tunnels have been built under Finsbury Circus in the City of London – a stone’s throw from the offices of World Tunnelling Full story...Arup wins design work on Santiago metro stations
Metro de Santiago has appointed UK-based engineering services provider Arup to lead the concept design of 11 stations in the Chilean capital Full story...Abu Dhabi contract win for Drake & Scull
Drake & Scull Water and Power (DSWP) has secured a US$128 million subcontract for the design review, procurement and construction of MEP and instrumentation works for the Strategic Tunnel Enhancement Programme (STEP) pumping station in Abu Dhabi Full story...Cat TBM achieves Beijing metro breakthrough
Caterpillar has announced that one of its TBMs has made a major breakthrough on the excavation of Lot 6 on metro Line 9 in Beijing, China Full story...Robbins TBM overcomes variable ground in Mexico
A Robbins EPB machine – currently the largest TBM in Mexico at 10.2m in diameter– recently completed its tunnelling run on Mexico City’s metro Line 12 – the capital’s first metro line for a decade Full story...UK construction slow-down deepens
While the UK tunnelling sector is enjoying an unprecedented boom, the recession in the nation’s construction industry is deeper than previously thought, according to the latest statistics released by the Office of National Statistics Full story...PB/LiRo team wins NY syphon contract
A joint venture comprising Parsons Brinckerhoff and The LiRo Group has been awarded a contract by the New York City Economic Development Corporation to provide engineering services and oversee the construction of a new water syphon between Brooklyn and Staten Island Full story...Crossrail - TBM breaks ground at Royal Oak
Tunnel boring machine ‘Phyllis’ has broken ground at Royal Oak and marked the start of excavation on Crossrail’s first section of tunnel between Royal Oak and Farringdon, scheduled for completion in 2013 Full story...Crossrail - updating the Connaught Tunnel
Dewatering wells have been sunk at the 130-year-old Connaught Tunnel, which will form part of the Crossrail route in east London Full story...A cure in sight for concrete cancer?
Concrete cancer and cracks in concrete generally could become a thing of the past if a new product is brought successfully to the market Full story...Ground monitoring courses for engineers
Training courses on performance monitoring are being offered in the UK for practising civil engineers Full story...Complex cocktail for Dutch capital
Work on the North-South metro comprises a varied mix of TBM-bored tunnels, deep stations, cut-and-cover, and immersed units, not to mention difficult ground conditions. Rodney Craig reports Full story...Bulge causes London Underground scare
A bulge which occurred in the tunnel of London’s Bakerloo metro line on April 26 caused damage to three trains and the suspension of the line between Elephant & Castle and Piccadilly Circus Full story...Ferrovial lands Galicia high-speed rail contract
Spanish infrastructure provider Ferrovial Agroman, a construction subsidiary of Ferrovial, has won a US$140 million contract to build a tunnel and two viaducts as part of the construction of a 7.6km line on Spain’s Madrid-Galicia high-speed rail project Full story...Features
Triassic park blockbuster
A series of six tunnels is being blasted through a mountainous semi-desert region of northwest Argentina where isolation, geology and high temperatures make the going tough for both men and equipment Full story...
Multi-jumbos drill at speed
Excavation with nine simultaneous tunnel faces at a hydropower installation in Turkey has met highly unstable ground and needed extensive rock bolting plus the use of several drill jumbos Full story...Integrating safety: the camera never lies
New video technology automates the identification of potential disasters in tunnels, generating instant alarms and facilitating a rapid response which can enhance overall safety. Urs Rufener reports Full story...Emerging theories
Håvard Østlid is known in Norway for his work on highways and soil mechanics, but more recently, has gained international recognition for his somewhat futuristic theories on submerged floating tunnels Full story...Industry leaders head-to-head
World Tunnelling invited some of the top names in tunnelling to take part in a teleconference, held on January 18. This is the second and final part of the edited transcript of the event Full story...Making headway
All-tool carriers and attachments have many uses in underground construction, and are versatile enough to allow a single machine to perform dozens of tunnelling tasks, writes Peter Bigwood Full story...Issue: WT June 2012
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