Latest Tunnelling and Underground News 
Elliptical concrete pipes solve surface water flooding problems
With localised surface water flooding continuing to be a major problem, elliptical concrete pipes are now a far more effective and economic alternative to drainage systems such as box culverts – according to Stanton Bonna. “The elliptical system offers significant advantages over others, particularly box culverts, because it provides a far superior hydraulic performance and a fully watertight elastomeric captive gasket joint”, explains Richard... [more]
Cellcore from Cordek addresses the issues of ground uplift caused by deep excavation on the New Tyne Tunnel Crossing
When completed in 2011, the New Tyne Tunnel Crossing will comprise a two lane immersed tube tunnel stretching between East Howdon on the North bank and Jarrow on the South bank of the River Tyne. The four giant concrete tunnel segments are being created up river from the construction site and will be floated down the River Tyne before being immersed to form the new tunnel on the riverbed. The main contractor for the project is French company Bouy... [more]
Dunne Building and Civil Engineering use ceiling mounted design from RMD Kwikform to speed up the construction process of the new Tyne Tunnel
Ceiling mounted runway beam design helps Dunne Building & Civil Engineering slide a huge sixteen tonne RMD Kwikform wall formwork system safely into place, beneath a 1.2m thick roof slab, minimising work at height inside the tight confines of the new Tyne Tunnel. Tasked with forming the all important safety escape route on the North structure to the new £260m Tyne Tunnel project, funded jointly by concessionaire TT2 Limited and Project Promot... [more]
DavyMarkham acquired by India's Hindustan Dorr Oliver
DavyMarkham has been acquired by India’s leading engineering procurement and construction company, Hindustan Dorr Oliver (HDO) Limited, a subsidiary of IVRCL Infrastructures & Projects Ltd, which is involved in engineered solutions, technologies and EPC installations in liquid-solid separation applications. The acquisition provides HDO with an entry into the Heavy Engineering sector. The firm’s Managing Director, Kevin Parkin, who was named B... [more]
DavyMarkham built cutterheads for tunnel boring machines used on railroad tunnel project in China
Tunnelling plays an increasingly important role in the development of transportation links and renewable energy schemes and China reportedly ranks first in the world, both for the number of tunnels and pace of construction. In bypassing areas of natural beauty, it often has significant ecological benefits; in the Qinling Mountains, when a national highway was rerouted by tunnel, it enabled the plantation of 500 acres of bamboo and the bridging of... [more]
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Other Tunnelling and Underground news and reviews
As station crumbles, German protesters vow to fight - Feature
Berlin - Protesters vowed Thursday to fight on against a vast scheme to relocate a key European railway station underground beneath the southern German city of Stuttgart.
MRT can boost city
Does Kuala Lumpur need a Mass Rapid Transit system to resolve its congestion woes? StarMetro gets the views of two experts in mass transit systems.
Yukon silver mine near production
Alexco Resource Corp. is poised to open a new silver mine in central Yukon later this year, now that it has all the licences and approvals it needs.
Heavy-Duty Rock Drills suit face drilling applications.
Intended for face drilling in underground mining and tunnelling projects involving tough conditions, COP 1638HD/1838HD/2238HD feature side bolt design, consisting of 4 front bolts and 2 at rear, that minimizes risk of impact piston mis-alignment and secondary damages to internal parts. Series COP 1800HD has hole range of 38-64 mm, and all products incorporate strengthened front head that ...
Reader views (16)
Yet another load of KYBOSH about HS2 and one has to ask why the government is making money available for compensation for a scheme whose route has not even been settled yet and even when it is it will be 20 or more likely (in this country) 30 years before anything actually gets built!!
15. Minister: Don't tie Langat 2 project with water issue
PUTRAJAYA: The Selangor government should not link the water restructuring exercise with the construction of the Langat 2 water treatment plant, said Energy, Green Technology and Water Minister Datuk Seri Peter Chin ( pic ).
Life & Style
As a cause, it's hardly going to lure Bono into giving a free charity gig on top of Primrose Hill. The Bishop of London will remain studiously aloof. Desmond Tutu, so far as we know, is ignorant of the controversy.
Rail plan could be terminal for Merkel's coalition
It is one of the most ambitious construction projects in Europe yet it is fast turning into a worrisome political obstacle that threatens to hasten the demise of Chancellor Angela Merkel's ailing coalition. Sixteen thousand demonstrators turned out to protest against it at the weekend, death threats have been issued against its promoters and the building site at the centre of the scheme, in the ...
Wrekin protesters defend tunnelling strategy
Protestors fighting plans to mine coal in the shadow of The Wrekin today defended their tactic of digging tunnels at the site.
Scenes from the Eglinton LRT
The 10-kilometre route will transform the city and, in the process, demolish it
