Search Results: 'Skanska'

Norwegian tunnels stats update: 2023
26 February, 2024
Latest annual data update on tunnelling activity in Norway shows another year of higher activity overall and another year of changes in who is most active

Bob Ibell – Interview
27 November, 2023
Bob Ibell is a known and respected name is tunnelling. He has had major roles on the Tyne and Wear Metro, Piccadilly Line Extension to Heathrow T4, the Channel Tunnel, the Jubilee Line Extension and the Channel Tunnel Rail Link’s (CTRL, or High Speed 1 (HS1)) London Tunnels. He is a Past Chair of the BTS, winner of the James Clark Medal, delivered the Sir Harold Harding Memorial lecture, taught construction management on the MSc course at the University of Warwick, and a founder member of the tunnelling consultancy London Bridge Associates (LBA). He spoke to Julian Champkin

Geopolymer concrete in tunnelling
24 July, 2023
At the monthly BTS meeting at the Institution of Civil Engineers, in London, in March 2023, John Day, Chief Technical Officer of Wagners EFC Pty Ltd, Charles Allen, Director of OTB Concrete, and Richard Sutherden, Engineering Director with Murphy for the HMJV (Hochtief- Murphy Joint Venture) provided perspectives on the use and future potential of geopolymer concretes, and the Earth Friendly Concrete in particular, in underground applications

Packed schedule in Boston
28 June, 2023
TTNA previews the packed program for RETC 2023, in Boston, MA, in June

Norwegian Tunnels Stats Update: 2022
21 February, 2023
Data from the latest annual update on tunnelling activity in Norway show an uptick in excavation and well as some changes in who is doing the most work

Ken Spiby awarded James Clark Medal
27 December, 2022
The British Tunnelling Society has chosen Ken Spiby as recipient of the James Clark Medal for his major contributions to the industry

Design and construction of a cavern in downtown LA
31 October, 2022
Christoph Eberle reports on the BTS March evening meeting where Carlos Herranz, Tunnel Design Manager at Mott MacDonald, discussed the design and construction by sequential excavation of LA Metro’s largest underground cavern.

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

Research to reduce carbon in SCL
03 August, 2022
Research recently complete on low carbon sprayed concrete (LCSC), including work for HS2,is summarised by participants Chris Peaston of Peaston Concrete Consultancy, Chris Goodier, Sergio Cavalaro and Zhi Hu of Loughborough University, Michael Sataya of Arup, Stuart Manning of Shotcrete Services, and John Reddy of Ecocem

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

Implementing parametric design
28 January, 2022
Benjamin Lafarga, 31 and a tunnel engineer with Mott MacDonald, UK, won the BTS Harding Prize 2021 with a paper entitled ‘Implementation of parametric design in the tunnelling industry’. It is reproduced here with the author’s permission

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

AI and Machine Learning
30 April, 2021
Best use of artificial intelligence in tunnels will need data strategies plus experienced oversight, writes Patrick Reynolds

National grids
25 March, 2021
Utility grid projects bring a variety of tunnelling challenges. Report by Patrick Reynolds

Not going viral
23 October, 2020
Many feared the outbreak of Covid-19 would wreak havoc on the tunnelling sector so how has it fared during the coronavirus pandemic? Perhaps not as disastrously as feared. Julian Champkin investigates

Connecting HS2 at Euston
22 September, 2020
Work on the UK’s new HS2 high-speed rail line is on track. Emma Hale and Christoph Eberle of Mott MacDonald describe one of the line’s first underground structures to be built in London

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

Tunnelling North
10 June, 2020
Nordøyvegen is a spectacular engineering project which will connect five Norwegian islands to the mainland with tunnels and bridges. Julian Champkin spoke with Lars Erik Skjolden, the project’s chief engineer

Momentum
23 December, 2019
The City of Los Angeles has seen several milestones this summer for its Purple Line extension, Nicole Robinson reports on the progress for each phase

Momentum
27 September, 2019
The City of Los Angeles has seen several milestones this summer for its Purple Line extension, Nicole Robinson reports on the progress for each phase