Tunnelling and Underground news articles 
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]
Other Tunnelling and Underground news and reviews
Gamuda-MMC in lead for tunnelling job
Gamuda Bhd-MMC Corp Bhd has submitted the lowest bid for the underground tunnelling works, worth around RM8 billion, for the Klang Valley My Rapid Transit (KVMRT) Sungai Buloh-Kajang line.
Delhi Metro kickstarts efforts to decongest Rajiv Chowk
New Delhi, Jan 31 (IANS) Spanning numerous residential areas and commercial centres in the national capital and a lifeline for commuters, the Delhi Metro Tuesday kicked off tunnelling and boring work for a 3-km underground corridor to decongest the Rajiv Chowk station -- an interchange for two of its lines -- in Phase 3 of the rail network.
Never-before-seen images of 'Birdsong' tunnels dug by British pit workers to undermine the German lines in First World ...
These never seen before images of one of the tunnels were taken by British photographer Jeff Moore during an excavation with tunnelling engineer Johan Wanderwalle in 1997.
Silvercorp Reports Revenue of $61.9 Million and Operating Cash Flow of $31.6 Million in the 3rd Quarter of Fiscal 2012
VANCOUVER, BRITISH COLUMBIA--(Marketwire - Feb. 8, 2012) - Silvercorp Metals Inc. ("Silvercorp" or the "Company") (TSX:SVM)(NYSE:SVM) today reported its unaudited financial and operating results for the third quarter ended December 31, 2011 ("Q3 2012"). The following financial results are expressed in US dollars (US$) unless stated otherwise.
How Birdsong creates a replica of first world war's tunnels
Expert archaeologist helped drama producers make exact model of underground network The horrors of tunnel warfare are key to Sebastian Faulks's first world war novel, Birdsong . Much of the action is set beneath no man's land in a terrifying world where soldiers dug, listened for the enemy and laid explosives in the hope of helping their compatriots above ground. To create a realistic portrayal ...
Tunnel raid foils Shameless plot
Raiders who stole thousands of pounds by tunnelling under a cash machine foresaw a new storyline from TV show Shameless, its producers reveal.
Are robots the future of the WA mining industry?
Robots and remote control mines could be the solution to some of the biggest challenges facing Australian miners today, according to industry giant Rio Tinto.
Waihi residents battle mining giant
In a major development for Waihi, Newmont has been given approval to drill down under the existing Martha Mine in the centre of the Coromandel town.
Is this WA's mining future?
Robots and remote controlled mines could be the solution to some of the industry's biggest challenges.
Last straw for fed-up Waihi residents
Waihi residents are ready to fight a new drilling project in their town.
