Search Results: 'Bouygues'

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Ground conditioning over the decades
27 November, 2023
Lars Langmaack, Technical Director (TBM) of MC-Bauchemie Müller GmbH’s tunnelling business unit, gives a personal review of EPB tunnelling development, including the development of soil conditioning additives in recent decades, and ways ahead

Taking steps to speed forward
23 January, 2023
Herrenknecht has won a major award for its new TBM continuous tunnelling system, has other advanced systems in operation, and is also developing automation for segment production

Multiple entries
26 September, 2022
Extensive tunnelling on HS2 also features major shaft construction works at many locations

Going green at high-speed
03 August, 2022
Concrete use on UK’s HS2 rail project is speeding advances in construction sustainability. Report by Patrick Reynolds

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

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

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

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

Continuing education
26 March, 2018
For those seeking CEUs or to learn something new short course programs are on offer

School’s in
22 January, 2018
Paola De Pascali looks at an array of the education and training programmes for underground construction that are on offer around the world

Fragrant Harbour
02 November, 2017
Keren Fallwell speaks with expat engineers living in Hong Kong to get a handle on the market

Uncanny valley
23 May, 2017
The use of digital technology to improve training is growing in the tunnelling sector withinnovations that can improve safety and save money

The big City move
22 March, 2017
TBMs are being built on an ever-larger scale, pushing the limits our congested cities can accommodate. Rhian Owen speaks with two freight forwarding companies about the obstacles they face when machines move through large cities

Utility placement
30 January, 2017
Tunnels and Tunnelling takes a trip to Herrenknecht in Schwanau and meets Michael Lubberger, senior product manager for pipelines to find out more about developments in the utility placement range

Big city move
18 August, 2016
TBMs are being built on an ever larger scale, pushing the limits our congested cities can accommate. Rhian Owen speaks with two freight forwarding companies about the obstacles they face when machines through large cities

WTC 2016
01 April, 2016
Registration is open for the worldwide tunnelling event of the year, with as many as 600 unique technical presentations, short courses and breakout sessions, and more than 200 exhibitors from around the world. Here’s a look at the highlights planned for this year’s conference and be sure to visit Tunnels & Tunnelling at Booth 1215 at this year’s WTC in San Francisco.

Eastern expanse
29 October, 2015
Construction for metro projects, with events such as the World Cup on the horizon, is driving the demand for tunnelling Qatar. Other cities in the Middle East are also investing in infrastructure development, growing the market for tunnelling across the region. Keren Falwell reports.