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Florence and Cecilia set off
27 July, 2021
HS2 is the largest transport infrastructure project in Europe. Julian Champkin had a lightening tour of the Chiltern Tunnel portal to see the first of the ten TBMs that will work on the project’s 51km twin-tunnels
Work well underway on first HS2 shaft
22 July, 2021
Engineers working on the UK’s new high-speed railway (HS2) have begun excavating the first of five ventilation and emergency access shafts for the 16km-long tunnels being bored under the Chiltern Hills.
Australian tunnel awarded for “seriously awesome” lighting design
07 July, 2021
Sydney’s NorthConnex motorway tunnel which opened to traffic in October 2020 has won the Award of Excellence from the International Association of Lighting Designers (IALD) at its 38th annual awards held in June.
HS2 launches second Chiltern Tunnel TBM
02 July, 2021
Following the recent launch of TBM Florence to excavate the first tube of the 16km-long Chiltern Tunnels, HS2 has now launched the second machine, Cecilia, from the South Portal site northwest of London.
HS2 announces launch of first TBM
13 May, 2021
Tunnelling can finally begin on Phase One of the UK’s high-speed rail line following HS2’s announcement regarding the launch of the first of 10 TBMs that will dig a total 64 miles (102km) of tunnels.
Another milestone marked on WestConnex
20 April, 2021
WestConnex – Australia’s largest road infrastructure project – has seen another milestone achieved with the breakthrough last week of two roadheaders working on Sydney’s US$2.5bn M4-M5 link tunnels.
Three bidders shortlisted for Lower Thames Crossing
07 April, 2021
Highways England has named three construction/engineering companies which it has shortlisted to build the proposed Lower Thames Crossing – destined to be the longest road tunnel in Britain and hailed as the most ambitious UK roads project for a generation.
Production of HS2 tunnel segments begins
19 March, 2021
HS2 Ltd has announced that the first precast concrete tunnel-lining segments for the new high-speed railway have started to roll off the production line.
Shortlisted bidders named for Sydney airport metro
01 March, 2021
Three bidders have been shortlisted to deliver the tunnelling works for Sydney Metro’s Western Sydney Airport rail line.
Construction to start on Pawtucket Tunnel
13 January, 2021
Joint venture contractor CB3A has received a notice to proceed from Narragansett Bay Commission for the design and construction of the US$480m Pawtucket Tunnel Project in Rhode Island, US.
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.
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
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.
A good dose of fibre
11 June, 2020
Steel fibre-reinforced concrete and its historic use in metro tunnels was the subject of discussion at a seminar hosted by steel-fibre maker Bekaert. Paola De Pascali reports
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
Two Kowloon Peninsula road contracts awarded
06 December, 2019
Hong Kong – Contracts for the Central Kowloon Route (CKR) and Trunk Road T2 have been awarded to Bouygues Construction. These projects form part of a new trunk road known as Route 6. When completed, Route 6 will provide an east-west link in the region with three lanes in both directions.
The grand Renaissance
04 June, 2019
The tunnelling sector is booming in France after some dark years. Paola De Pascali met Michel Deffayet, the chair of the French Tunnelling Society (AFTES)
Combining Two Soft Ground TBM Technologies
27 March, 2018
The development of Herrenknecht’s Variable Density TBM is detailed by Karin Bäppler, head of geotechnics and consulting for traffic tunnelling; Frédéric Battistoni, division manager for traffic tunnelling and Werner Burger, manager of the design division - traffic tunneling
26 March, 2018
For those seeking CEUs or to learn something new short course programs are on offer
Kier and Eiffage pick up Carillion HS2 work
31 January, 2018
Great Britain - Following the total collapse of one of Britain’s largest contractors, Carillion, Kier and Eiffage have picked up its HS2 work. The companies, which were in joint venture with Carillion to deliver GBP 1.4bn of projects in the HS2 programme, confirm that they are offering employment to the 51 Carillion employees including apprentices, currently working on the HS2 joint venture.