Search Results: 'Herrenknecht'

Australia’s first autonomous TBM launched
06 September, 2023
Australia’s first autonomous TBM has been launched on Sydney Metro West.

Tunnelling reaches halfway mark on Auckland water project
04 September, 2023
Tunnelling on Watercare’s Central Interceptor project in New Zealand has reached the halfway mark.

Boring for Silvertown
25 August, 2023
Silvertown road tunnel project features a huge, single TBM – and a U-turn for the machine – to complete the twin tube under the Thames, in London

Melbourne prepares for TBM arrival
22 August, 2023
The ship carrying the first of two TBMs that will dig the North East Link Tunnels is due to arrive in Melbourne soon.

HS2 opens TBM naming competition
21 August, 2023
HS2 is asking the public to choose names for the next two TBMs that will dig high-speed rail tunnels under London.

HS2 contractors prepare to store Euston Tunnel TBMs
17 August, 2023
With the news last week that two HS2 TBMs will be stored under Old Oak Common Station until the government gives the go-ahead for the Euston Tunnel, contractors are now tackling the logistics.

West Gate Tunnel road decks near completion
08 August, 2023
More than 4.5km of road deck has been installed across the West Gate Tunnel project’s twin tunnels in Australia.

Tunnelling passes 75% mark on HS2’s longest tunnels
08 August, 2023
The two TBMs digging HS2’s longest tunnels have reached the Little Missenden ventilation shaft, completing more than 75% of the 16km drive under the Chilterns.

Silvertown Tunnel bores completed
04 August, 2023
Tunnel boring for London’s Silvertown Tunnel has been completed, with the TBM breaking through on the north side of the Thames River.

Geopolymer concrete in tunnelling
24 July, 2023
At the monthly BTS meeting at the Institution of Civil Engineers, in London, in March 2023, John Day, Chief Technical Officer of Wagners EFC Pty Ltd, Charles Allen, Director of OTB Concrete, and Richard Sutherden, Engineering Director with Murphy for the HMJV (Hochtief- Murphy Joint Venture) provided perspectives on the use and future potential of geopolymer concretes, and the Earth Friendly Concrete in particular, in underground applications

Mont Cenis base tunnel TBM passes FAT
20 July, 2023
The first of seven TBMs to be employed on the Mont Cenis base tunnel has passed its Factory Acceptance Test.

ARGE BBT launches second TBM
07 July, 2023
The second of two TBMs has been launched on Lot H41 Sill Gorge-Pfons of the Brenner Base Tunnel.

Skanksa completes $1.8bn underground rail scheme in Los Angeles
30 June, 2023
Skanska, in collaboration with Traylor Bros, has successfully concluded its involvement in the underground Regional Connector Transit project situated in downtown Los Angeles, marking the end of their nine-year engagement. The joint venture secured the design-build contract from LA Metro in April 2014, leading to the completion of this remarkable $1.8 billion undertaking.

Packed schedule in Boston
28 June, 2023
TTNA previews the packed program for RETC 2023, in Boston, MA, in June

Breakthroughs on Broadway
28 June, 2023
Tunneling is well underway with multiple early TBM breakthroughs on the Broadway Extension to the Millennium Line, in Vancouver

Latin drives
28 June, 2023
A variety of tunneling projects in Latin America are meeting key milestones in their progress, and TTNA takes a brief look at a few, in Peru and Brazil

Toronto spotlights
28 June, 2023
TTNA spotlights a recent few milestones and interesting project developments in Toronto that have among them presented a variety of engineering challenges

Virginia visions
28 June, 2023
Preparations have been underway for tunneling of a new twin tube link on the Hampton Roads-Bridge Tunnel Expansion project, in Virginia. The single variable density TBM due to build both tubes is set for launch

Orders in for Herrenknecht Tunnel Enlargement Systems
26 June, 2023
Herrenknecht is to supply two of its Tunnel Enlargement Systems (TES) to German rail company Deutsche Bahn, allowing it to refurbish tunnels while maintaining rail services.

Pressure ring launch system at Silvertown
26 June, 2023
The Harding Prize Competition is named after the founder of the British Tunnelling Society, Sir Harold Harding, and is for entrants under the age of 33. Shortlisted papers were presented to the BTS evening meeting on 13 April, at the Institution of Civil Engineers, in London. Ricardo Manias García, senior mechanical engineer with Riverlinx CJV, was a runner-up in this year’s Competition with a paper entitled ‘The Pressure Ring Launch System at the Silvertown Tunnel Project’. It is published here with the author’s permission.