Search Results: 'Bouygues'

HS2 TBMs complete first stage in Chilterns
15 March, 2022
The two 2,000t TBMs digging the UK’s HS2 high-speed rail tunnels under the Chilterns have completed the first stage, up to the ventilation shaft at Chalfont St Peter.

Sydney Metro awards second tunnelling contract
01 March, 2022
Sydney Metro has awarded a A$2.16bn (US$1.57bn) contract to deliver the next stage of tunnelling on the Sydney Metro West project.

Lower Thames Crossing to be "greenest road ever built in the UK"
25 February, 2022
The Lower Thames Crossing has been designated a ‘pathfinder’ project to explore carbon neutral construction as part of National Highways’ efforts to make the new crossing the greenest road ever built in the UK.

Three shortlisted for Sydney Metro West Eastern package
15 February, 2022
Sydney Metro has shortlisted three consortia to deliver the final piece of tunnelling for Sydney Metro West into the heart of the Sydney CBD.

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

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