Search Results: 'Herrenknecht'

Arnold Dix – Interview
28 March, 2024
A tunneller with 100 million website hits? Unlikely, surely, but Arnold Dix is an unlikely tunneller. A tunneller is not supposed to be a successful barrister, a national icon, or be world famous. Dix has, accidentally, become the exception. He is, as well as all that, the current President of the International Tunnelling and Underground Space Association (ITA-AITES); this April he is to chair ITA’s annual Member Nations General Assembly meeting at the World Tunnel Congress (WTC 2024) in Shenzhen, China. Julian Champkin spoke to him

Many requirements in Sweden – one MTBM hard rock solution
25 March, 2024
An exceptional microtunnelling project in Edsberg, Sweden, posed particularly complex challenges: very hard, highly abrasive rock and no possibility of a target shaft. The solution was the newly developed AVN 800 HR from Herrenknecht in combination with jacking of a temporary steel pipe string to withdraw the MTBM. Herrenknecht’s Michael Groß, Senior Product Manager Pipe Jacking, and Lutz zur Linde, Sales Manager Utility Tunnelling, discuss the technology and its application

Driving slurry rock tunnelling in small diameters
24 January, 2024
A discussion on the latest trends and technologies for small-diameter slurry mechanised tunnelling in rock. This article is based on two papers by Herrenknecht engineers – ‘Rock tunnelling in small diameter: latest trends and technologies’9, and ‘Slurry pipe jacking in hard rock: Pushing boundaries for sustainable infrastructure’

Ground conditioning over the decades
27 November, 2023
Lars Langmaack, Technical Director (TBM) of MC-Bauchemie Müller GmbH’s tunnelling business unit, gives a personal review of EPB tunnelling development, including the development of soil conditioning additives in recent decades, and ways ahead

Giving slurry treatment plants a new life cycle
27 November, 2023
To support improving economic and sustainability outcomes on slurry shield tunnelling projects, the benefits to be gained from refurbishment of slurry treatment plant are discussed by Gino Vogt, Head of Herrenknecht Separations

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

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

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

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.

Heavy Moves
12 June, 2023
TBMs on tunnelling projects are supported by major lifting capacity and conveyor capability

Challenges and successes
27 March, 2023
A brief snapshot sample of large and small utility tunnelling challenges and successes across the globe over recent months

Consultation launched for tunnelling machines standards
27 March, 2023
Consultation is underway on revisions to two CEN standards that are vital for the safety of tunnelling machines used in Europe and across the world. Dr Donald Lamont – a UK participant in the work – urges the tunnelling industry to respond by the deadline of mid-May

Desalination tunnel drive in Algeria
27 March, 2023
A micro-tunnelling task for subcontractor Radco when building an inlet line for a desalination project in Algeria presented challenges offshore that were successfully overcome

TBM set for Cairo metro line 4
23 February, 2023
Herrenknecht recently completed the factory acceptance test (FAT) for a Mixshield to be used by AHPC Consortium on the next phase of Cairo metro’s Line 4 expansion

Vital tunnels for utilities
22 February, 2023
Utility tunnels are among key underground investments in two major Canadian cities – Toronto and Vancouver

Vital tunnels for utilities
16 February, 2023
Utility tunnels are among key underground investments in two major Canadian cities – Toronto and Vancouver