Search Results: 'Herrenknecht'

The third way
16 December, 2020
Genoa has a magnificent sea port but desperately poor communications inland. A third route is being developed under the mountains that surround the city. Julian Champkin reports

TBM Risk Assessment and Selection for Hydropower Tunnels
15 December, 2020
Dean Brox looks at the benefits of typical TBM types and their applicability to hydropower projects taking into account the prevailing geological and geotechnical criteria

Metro moves down under
15 December, 2020
Sydney is growing fast, and its transport infrastructure needs to catch up even if the city’s famous harbour is in the way. Julian Champkin reports on a major expansion of the Sydney metro.

Melbourne’s big dig
24 November, 2020
Four TBMs are at work on the Melbourne Metro – a new line comprising two 9km-long tunnels that will run beneath the central business district and where monitoring for ground movement was critical. Julian Champkin reports on the progress

Canadian distance record
20 November, 2020
Microtunnelling can save costs, surface disruption and inconvenience to the public, while the distances that can be covered are increasing. Julian Champkin looks at a 5km project in Canada and asks whether the technique can stretch even further

Two-Way Tunnelling in Seoul
23 October, 2020
Great Train Express (GTX) is a proposed high-speed commuter line with shared infrastructure that will connect new towns around the greater Seoul Metropolitan Area with the capital. It is the first project in Korea to use a large-bore TBM. Dr Warren Wangryul Jee, chairman and tunnel project manager of GTS-Korea, reports

Mexico’s Megatunnel
22 September, 2020
It is the world’s largest sewage project and has faced issues which mega projects of this nature usually face in terms of geology, delivery and budget. But T&T’s Julian Champkin finds that Mexico City’s Emisor Oriente is a triumph nevertheless

Muck disposal on a grand scale
25 August, 2020
Tideway (the so-called ‘super sewer’) is the biggest water infrastructure project in Europe and aims to rid the River Thames of millions of tonnes of raw sewage inflows every year. Julian Champkin reports on the progress so far

A Kit of Parts
25 August, 2020
Precast concrete segments are made to exacting tolerances and demand streamlined manufacture and transportation. Julian Champkin investigates the challenges

Trans Euro Express
17 July, 2020
The Magistrale is a 1,500km high-speed rail project that will link France, Germany, Austria, Slovakia and Hungary. Julian Champkin reports on the tunnelling through Germany’s Swabian Alps.

Beneath Oslo and the deep fjords
17 July, 2020
Dr Benoît Jones reports on the British Tunnelling Society’s evening meeting which discussed the technical challenges posed by future tunnels in Norway

Finally back on track
11 June, 2020
HS2 has at last been given the green light, following the notice to proceed which is enabling four joint ventures to finalise their designs. Julian Champkin reports

Burnhamthorpe Water Project
21 May, 2020
Nicole Robinson reports on Mississauga’s efforts to improve its water and sewerage network, ahead of LRT construction.

In the maze
19 May, 2020
Paola De Pascali spoke with the deputy project director at MMC-Gamuda Hau Wei Ng about the challenges being faced at the SSP Line in Kuala Lumpur

Under the Swan River
27 March, 2020
Alex Conacher travels to the Forrestfield-Airport Link in Perth, Western Australia to speak with Salini Impregilo, NRW project director Richard Graham and tunnel construction manager Carlos Zapico

Abu Dhabi Gyroscope
20 January, 2020
A case study from Abu Dhabi of the NAV24 gyroscope system

The Valley of Toluca
20 January, 2020
A new rail line will connect the Valley of Toluca Metropolitan Area with the west of Mexico City. TBM tunnelling had to deal with a heterogeneous massif, adverse terrain, and an alignment characterised by the presence of faults and zones with elevated hydraulic loads of up to 7 bar over the tunnel keystone. The authors of this paper are geotechnical tunnels head José Ramos Gómez, tunnel section director Rubén Díez de la Fuente, and TBM expert advisor Ignasi Castellvi Moyes, all from Sener

City & Southwest
20 January, 2020
Alex Conacher visits the Sydney Metro’s second phase to speak with Terry Sleiman, project director for the contractor John Holland CPB Ghella, Hugh Lawson, project director for the client, and Kate Cole, occupational health and hygiene manager for Transport for NSW

Better than ever
20 January, 2020
Planners are capitalising on modern improvements to tunnelling technology in a boost to the Australian industry. Alex Conacher reports