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Herrenknecht
  Date 2021
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Divik Bandopadhyaya Interview
30 December, 2021
Aged 27, Divik Bandopadhyaya has just completed a one-year stint as chair of BTSYM. He discusses his education, interests and career to date, offering along the way some advice to newly-qualified tunnel engineers. George Demetri reports

No blanket solution
29 December, 2021
Variations in tunnels and inflows need different waterproofing solutions. Report by Patrick Reynolds

TBM delivery heralds HS2 London launch date
17 December, 2021
UK tunnelling activity is forging ahead following the recent delivery of two giant Herrenknecht EPB TBMs to HS2 main works civil contractor Skanska Costain Strabag JV in West London.

Components for largest-ever UK TBM arrive at Silvertown
16 December, 2021
Having passed factory acceptance tests on 2 December at the Herrenknecht works in Schwanau, Germany, parts of the giant TBM that will bore London’s Silvertown Tunnel have started to arrive in London.

Works progress on multiple fronts at Hampton Roads
08 December, 2021
VDOT (Virginia Department of Transportation) has provided an update on the Hampton Roads Bridge-Tunnel Expansion Project (HRBT) in Virginia, US, with all indicators pointing to a relatively untroubled construction process.

HS2 launches first TBM on Midlands stretch of high-speed line
03 December, 2021
Having pushed the big red start button, HS2 CEO Mark Thurston initiated the launch of the first tunnel boring machine to dig the Midlands stretch of the UK’s high-speed railway.

Ship sets sail carrying components for Scarborough TBM
30 November, 2021
Jumbo Vision, the appropriately named ship with a jumbo cargo, has left European shores, setting its sights on Canada where it will deliver the parts for a Herrenknecht TBM that will bore Toronto’s Scarborough Subway Extension.

Tunnels facilitate water flow
29 November, 2021
Water system upgrades are keeping the North American tunnelling industry busy. Keren Fallwell reports

Cross river rail to tackle Brisbane’s urban growth
29 November, 2021
Australia’s cities are engaged in some major underground rail projects. Sydney and Melbourne both have their metro schemes. Brisbane is host to another – and also to the Olympic Games. Julian Champkin reports

John Holland CPB Ghella JV hands over key section of Sydney Metro TSE works
18 November, 2021
After four years of works, the joint venture comprising John Holland, CPB Contractors and Ghella has completed construction of the US$2.04bn Sydney Metro City & Southwest Tunnel and Station Excavation (TSE) works Stage 2.

CSO capture for cleaner water
29 October, 2021
Jon Sickling, Tunnel Shafts Delivery Manager, Watercare Services, and Stefano Vittor, Construction Manager, Ghella-Abergeldie JV, outline details of New Zealand’s largest wastewater project – Auckland’s new Central Interceptor

Link Alliance TBM holes through in Auckland
21 October, 2021
An important milestone has been reached on the Auckland City Rail Link (CRL) in New Zealand following the breakthrough of a Herrenknecht EPB TBM into Karangahape Station.

Herrenknecht clinches deal with Etihad Rail
07 October, 2021
Within only a few days of its opening on October 1 2021, Expo Dubai 2020 has seen a major partnership signed between TBM-maker Herrenknecht and Etihad Rail.

First Canadian mixshield TBM completes Second Narrows Water Supply Tunnel
05 October, 2021
Excavation has been completed on Metro Vancouver’s tunnel under the Burrard Inlet which will convey drinking water from the North Shore to households throughout the region.

Pipejacking breakthrough on Singapore link sewer
28 September, 2021
Contractor Zublin Singapore has announced a breakthrough at Shaft N3 of the Deep Tunnel Sewerage System Phase 2 (DTSS2) which will serve the western part of the country.

Sustainable solutions
07 September, 2021
Arnaud Hochart, geotechnical and monitoring manager at Implenia, discusses the technical challenges encountered on Lyon’s Metro B Line extension, including the open-pored, high-permeability alluviums with the associated risks of slurry loss and ground instability

History repeats itself beneath the Thames
24 August, 2021
Tunnelling history came full circle recently during the excavation of Tideway, London’s ‘super sewer’, when TBM Selina passed under Brunel’s 19th century Thames Tunnel – the world’s first shield-driven tunnel and the first major underwater tunnel.

Tunnelling begins on Seattle water quality project
13 August, 2021
City of Seattle has announced that two tunnel boring machines have begun mining its Ship Canal Water Quality Project, designed to collect the combined sewer overflows that would normally end up polluting local water bodies.

First Herrenknecht TBM breaks through in Brisbane
10 August, 2021
One of two Herrenknecht TBMs mining the Cross River Rail tunnels in Brisbane, Australia has holed through into an underground cavern beneath Roma Street to complete a section of tunnel running below the Brisbane River and the CBD.

Delivering Selina
27 July, 2021
Shannon O’Keeffe, Senior Tunnel Agent for Costain Engineering looks at the complex logistics that were initiated to ensure the successful delivery of a TBM to a Thameside site for the boring of Tideway (Eastern Section)