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International Tunnelling Association Awards
02 December, 2015
INTERNATIONAL - The ITA awarded its inaugural Tunnelling Awards on November 19, in Hagerbach Switzerland.

TBMS return to Norway
25 November, 2015
For the first time in three decades Norway is using a TBM for one of its long tunnel projects, the Ulriken near Bergen. The drive is just beginning reports Adrian Greeman

TBM reaches Brandenburg Gate
03 November, 2015
GERMANY – The TBM mining the U5 extension in Berlin has reached its destination. The 6.67m Herrenknecht Mixshield TBM was launched from the Max Engels Forum in June 2013 and reached the Brandenburg Gate in October. The 1,620m-long parallel drives were constructed with overburden ranging from 5 to 17m, and passed underneath the River Spree, Spree Canal, and Schlossplatz.

Thinking GEO
03 November, 2015
Mark Diederichs, professor of Geological Sciences and Geological Engineering at Queen’s University in Kingston, Ontario, discusses tunnelling education, research and deveopment and the role of geological engineering

Filder tunnel
30 October, 2015
Progress is good so far on the Filder, biggest of the Stuttgart 21 rail project tunnels in southern Germany.

Maximum safety under maximum pressure
30 October, 2015
A large road tunnel deep beneath a strait, a railway tunnel through an enormously complex mountain range, a water tunnel under tremendous ambient pressures: mechanized tunnelling is penetrating into new terrain underground. True partnership with contractors and project owners leads to pioneering developments in machine technology. Integrating knowledge from professional offshore diving also contributes to significant progress in tunnel construction. Herrenknecht's Werner Burger, head of engineering and member of the traffic tunnelling executive board and Georg Küffner, writer, elaborate.

Eastern expanse
29 October, 2015
Construction for metro projects, with events such as the World Cup on the horizon, is driving the demand for tunnelling Qatar. Other cities in the Middle East are also investing in infrastructure development, growing the market for tunnelling across the region. Keren Falwell reports.

Waterview Connection breakthrough
23 October, 2015
NEW ZEALAND – The TBM broke through on the second drive of Auckland’s Waterview Connection project last month. Billed by contractor McConnell Dowell as one of the largest TBMs ever used in the southern hemisphere, Alice, the 14.4m-diameter Herrenknecht EPBM completed its 2.4km-long journey.

IOM3 Hong Kong Branch conference on Underground Design and Construction draws international attendance
29 September, 2015
HONG KONG - On the 11th and 12th of September, over 350 Delegates converged on Hong Kong to partake in the second IOM3 Underground Construction Conference organised by the Hong Kong Branch (, the last one being held over 5 years ago.

The move to mechanisation
23 September, 2015
It is in base tunnels that the TB M can really come into its own. Adrian Greeman reports

Buchan awarded Shieldhall ring supply contract
21 August, 2015
GREAT BRITAIN – Buchan Underground was recently awarded a contract to supply 3,277 precast rings for the Shieldhall Tunnel project in Glasgow. Each 4.56m-diameter ring is made up of six segments, each weighing 2300kg that equates to over 19,500 segments to be supplied to the project.

Barhale awarded Elan Valley contract
21 August, 2015
GREAT BRITAIN – Barhale has recently been awarded a multi-million pound contract by Severn Trent Water to deliver three tunnelling projects and one pipeline project on the Elan Valley Aqueduct.

Rapid response
13 August, 2015
Ground freezing in Washington, D.C., will reduce the effects of construction on a quiet neighborhood prone to flooding. Nicole Robinson reports on the First Street Tunnel.

Central America’s First Metro
28 July, 2015
Central America’s first metro is a boon for tiny Panama’s traffic-beleaguered highways, but despite a positive start future work neglects tunnelling. Santiago Erans of FCC speaks to Tunnels and Tunnelling in the aftermath of a successful completion of Line One, and the award of Line Two.

Blue Plains tunnelling completed
27 July, 2015
USA - The TBM mining the 4.5-mile-long Blue Plains tunnel completed her dig earlier this month and on Thursday, July 23 her cutterhead was extracted from a 100ft-deep shaft near DC Water’s Main Pumping Station in Southeast Washington, DC Water announced yesterday.

Cutterhead arrives in Mexico for Guadalajara light rail
23 July, 2015
MEXICO - The TBM cutterhead for the tunnel on Guadalajara, Mexico’s, Light Rail Line 3 project arrived at the Port of Manzanillo, Colima, on July 18, announced light rail operator Siteur.

East meets West
26 June, 2015
This article on guiding and monitoring work on the Avrasya Tunnel project under the Bosphorus Strait was written by Robert Lensing and Manfred Messing of VMT, and Abraham Corriols, Patrick Hartkorn, and Giuseppe Pezone of ITC Engineering.

A break with tradition
26 June, 2015
The Tuen Mun-Chek Lap Kok Link will mark a change in sub-sea tunnel construction methods for Hong Kong with TBMs being used for the first time. Sally Spencer reports.

Mobilising Latin America
24 March, 2015
Major infrastructure projects across Latin America will mobilise both people and freight and provide much needed energy and utilities and the tunnelling sector is set to benefit. Technical journalist Sally Spencer reports

Alice takes a breather
27 February, 2015
NEW ZEALAND – The backup train of the Waterview Connection TBM was in the process of being turned to join up with the cutterhead and shield already working on its second bore path as Tunnels and Tunnelling went to press.