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.

HS2 TBMs delivered to Chiltern Tunnel site
09 December, 2020
HS2’s main works contractor Align JV has announced the arrival in the UK of the first two tunnel boring machines that will start work on HS2, the UK’s high-speed rail line.

Tideway central-section tunnelling completed
03 December, 2020
Tunnelling on the central and longest section of Tideway – London’s so-called ‘super sewer’ – has been completed following the holing through of TBM Ursula into a deep shaft at Chambers Wharf in south east London.

Central Interceptor TBM arrives in Auckland
30 November, 2020
TBM Hiwa-i-te-Rangi arrived in Auckland, New Zealand recently after a month-long journey from the Herrenknecht factory in Schwanau, Germany, where it was assembled over a ten-month period. In early 2021, the machine will start to bore Watercare’s 14.7km Central Interceptor wastewater tunnel.

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

Brisbane Cross River Rail TBMs being readied
23 November, 2020
Two TBMs are being retrofitted in Brisbane, Australia in preparation for the city’s Cross River Rail project which has a total length of 10.2km and includes 5.9km of twin tunnels.

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

UK breaks record for longest hydraulically-inserted pipeline
19 November, 2020
UK energy company National Grid has completed what has been hailed as the world’s longest hydraulically-inserted pipeline, now officially recognised by Guinness World Records.

First-of-its-kind robot will reduce risk on HS2 TBMs
05 November, 2020
HS2 Ltd has unveiled a robot designed to boost safety and efficiency during the ring-build process aboard two giant TBMs that will bore the 16km (10mi) Chiltern tunnels.

Herrenknecht TBM delivered for Auckland City Rail Link
23 October, 2020
A 7.15m-diameter Herrenknecht EPB TBM has been delivered to the Link Alliance for work on New Zealand’s largest transport infrastructure project – the Auckland City Rail Link (CRL).

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

Caverns completed on Sydney Metro’s Martin Place
22 October, 2020
Twin mammoth caverns on Sydney’s Martin Place station have been completed six months ahead of schedule and after two years of excavation. It is the first time in 50 years that train tunnels are being built under the central business district.

Contract signed for first HS2 TBMs
09 October, 2020
HS2 Ltd has announced that main works civils contractor Skanska Costain Strabag JV has signed the contract for the first two tunnel boring machines (TBMs) for London’s HS2 tunnels. The tunnels will be twin bore, each 13 miles long and roughly the same length as the Crossrail tunnels.

New milestone achieved on Tideway
28 September, 2020
Tunnelling on Tideway has now reached another significant marker with the completion of the western section of the main tunnel, which at depths of between 30-35m below ground is also the shallowest along the entire alignment.

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

Flooding raises questions over SMART tunnel efficacy
17 September, 2020
Questions are being asked as to why the SMART tunnel did not protect Kuala Lumpur after extremely heavy rainfall caused major flooding in the Malaysian capital recently.

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