Latest Tunnelling and Underground News

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]

Nanolia's nano coating enables any machine to operate more efficiently, while reducing fuel costs and emissions

Nanolia has introduced a product that enables virtually any machine to operate more efficiently, while reducing fuel costs by around 11% and emissions by around 60%. Based on the latest German nanotechnology the product which is simply added to engine or gearbox oil is a low cost way to reduce the cost of operating machinery – from the smallest motors and generators to the largest marine diesel engines and including pumps, gearboxes and winches.... [more]

ATAK Trucking materials calculator assists Construction and Landscape project planning

ATAK Trucking, a wholesale supplier of building and construction materials, including topsoil, dirt, gravel, stone, sand and aggregate materials, has introduced their new construction materials calculator to the public. The materials calculator helps users determine the amount of materials required for construction or landscaping projects. ATAK’s new construction materials calculator is intended to help website visitors plan for their constru... [more]

Application possibilities of on-line rock pressure measurement with the tunnel construction

The instrumentation use of the akusto elastic effect makes qualitatively and quantitatively new safeguards methods possible with the building and with the enterprise of tunnel. When example of possible applications know tunnel-build with high overlays and/or large rock pressure features are called, with those already during the construction period, which can be measured force application of the working forces of the tunnel drilling machine into t... [more]

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Other Tunnelling and Underground news and reviews

Underground mole-satnavs to work off lightning strikes (The Register)
'Sferic' zap-sniff tech for future subterranean warriors News has emerged of a secret US military programme intended to let troops navigate about inside huge underground enemy tunnel complexes by measuring energy pulses given off by lightning bolts.… Case Study: WhatsUp keeps Legoland turnstyles ringing

Isambard Kingdom Brunel's tunnel under the Thames is opened (This is Bristol)
ISAMBARD Kingdom Brunel's first engineering project, a pioneering tunnel under the river Thames, has been opened to the public for the first time...

Thames Tunnel reopened to visitors for first time (Times of Malta)
The spirit of Victorian Britain was invoked yesterday as the historic Thames Tunnel - once a hub of vice and iniquity - was reopened to visitors for the first time.

Lining the tunnel (Niagara Falls Review)
A steady parade of 75 cement trucks a day will be toiling under the city like ants this spring as they move concrete into the Niagara Tunnel Project. Now that Big Becky, the tunnel-boring machine, is well along, work on the finished lining for the 10.[...]

Open to the public for the first time in 145 years, Brunel and son's 'eighth wonder of the world' under the Thames (Daily Mail)
The tunnel, which runs from Wapping to Rotherhithe at a depth of 75ft below the river's surface, quickly became a thriving shopping arcade and entertainment centre for the Victorians.

Billington adds some steel to the work of the Bard (Yorkshire Post Today)
A YORKSHIRE firm which added steel to the Royal Shakespeare Company's theatre is also transforming the former haunt of Oscar Wilde, Virginia Woolf and Winston Churchill. (11/03/2010 13:50:55)

Egypt's top cleric dies (Malaysian Mirror)
CAIRO – Sunni Islam's top cleric Sheikh Mohammed Sayed Tantawi, a controversial figure in Egypt, died on Wednesday in Saudi Arabia of a heart attack while boarding a plane, state media said.

Surgical operation for Coromandel (The New Zealand Herald)
Mt Karangahake presides like a church over the gorge which snakes through the base of the Coromandel Peninsula.

Barkerville Gold to Begin Mining Ore at QR Gold Mine (Marketwire)
VANCOUVER, BRITISH COLUMBIA--(Marketwire - March 3, 2010) - Barkerville Gold Mines Ltd. (TSX VENTURE:BGM)(FRANKFURT:IWUB) ("Barkerville", the "Company") announces that it has been advised by its mining contractor, Procon Mining and Tunnelling Ltd. (Procon), that start-up and dewatering operations are well underway at the West Zone at the Company's QR Gold Mine. Procon also advises that all ...

Barkerville Gold to Begin Mining Ore at QR Gold Mine (CCNMatthews via Yahoo! Finance)
VANCOUVER, BRITISH COLUMBIA-- - Barkerville Gold Mines Ltd. announces that it has been advised by its mining contractor, Procon Mining and Tunnelling Ltd. , that start-up and dewatering operations are well underway at the West Zone at the Company's QR Gold Mine.