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Great tasks beckon
29 December, 2023
Scale brings judgment. Bigger is better, more challenging. Difficult undertakings, possibly. Exciting, most likely. Such as with singular, eye-catching, large-scale infrastructure projects in the midst of society.

Crossrail learning legacy – ongoing impact
29 December, 2023
The knowledge pool from Crossrail will live on for education on project development and execution, including tunnel excavation and underground station construction works, after Transport for London this year decided to keep the online library of the project (now the Elizabeth line) free and available

Segment accessories and you
29 December, 2023
For use of accessories with segment lining, Christoph Eberle, Technical Director, Mott MacDonald, discusses assurance in the context of Load and Resistance Factor Design (LRFD)

Design automation of Kalvebod tunnel settlement assessment
29 December, 2023
Design automation is evolving to include the integration of discipline specific software and the use of scripting tools to create workflows that allow the design to start earlier when input parameters are less refined. This means design changes can be easily accommodated, which gives increased value to the client, output quality, consistency, time, and cost savings

Inside the convergence of BIM and digital twins
29 December, 2023
Tor Erik Djupos, application engineer with Trimble, discusses the influence and convergence of BIM and Digital Twins for infrastructure assets

Is benchmarking the answer?
29 December, 2023
Martin Paver is immersed in project data and its challenges. He heads Projecting Success, a training and advocacy body, focused on ‘Transforming Project Delivery’ through accelerating the construction industry’s engagement with data analytics. A core issue, he contends in the growing era of digital construction, is the debate needed over data gathering, ownership and governance. For T&T, he discusses the approach for data to be an accessible, shared and powerful resource to leverage benefits in project by considering the merits of data trusts

Back and forth
29 December, 2023
Let’s look back and then, considering lessons, information and data available, take some view on stepping forward, onward into further developments of underground space.

Roger Remington
29 December, 2023
Roger Remington made his mark on and was honoured by the UK tunnelling industry for the wide range of projects he steered as client and also procurement changes introduced. This is a celebration of how his contribution was recognised and appreciated, and the legacy that continues to be recalled after Roger died, earlier this year

Tunnelling progress over the last three decades in China
29 December, 2023
While international tunnellers are aware of China’s many tunnel projects there is so much more to know. China can point to numerous project developments both built and under construction as well as technological innovations.

Untangled and Out
29 December, 2023
With so many trenchless projects underway across North America, many challenges are faced – and overcome. T&TNA catches up with one such, but unusual, challenge in Toronto.

BTSYM workshop – waterproofing in tunnels
29 December, 2023
Earlier this year, BTSYM held a workshop where young members heard from Sika UK’s Head of Infrastructure, Sarah Langley, on the basics of waterproofing for tunnels. After attended the highly informative event, Avantika Raj, Tunnel Engineer with Dr Sauer & Partners, prepared this report for T&T

Information modelling in tunnelling
29 December, 2023
The matrix of procedures, processes and responsibilities in how to manage information in tunnelling projects in the era of BIM was the focus of guidance published last year by ITA’s Working Group 22. T&T looks at key points and recommendations

No-Dig Show 2024
29 December, 2023
Get ready for Rhode Island where Providence is to host NASTT’s No-Dig Show over April 14-18, 2024

Skanska-Fay JV win tunnel modernisation contract
28 December, 2023
CSX Transportation (CSXT) has selected a Skanska and Fay, S&B USA Construction joint venture for Baltimore’s Howard Street Tunnel Clearance Programme.

First cross-border TBM unveiled for Mont Cenis base tunnel
22 December, 2023
The TBM that will build the tunnel across the French-Italian border for the new Lyon-Turin railway has been unveiled at Herrenknecht’s factory in Germany.

New fans installed in Heysen Tunnels refurbishment
21 December, 2023
Work to install 23 new exhaust fans in Australia’s Heysen Tunnels has begun, as part of the ongoing upgrade of the tunnels’ systems.

HS2’s longest tunnel 90% complete
20 December, 2023
Tunnelling on HS2’s longest tunnel is on track to be completed next year.

Italian construction site opens for Mont Cenis tunnel
19 December, 2023
Work on the Italian section of the Mont Cenis base tunnel has officially started.

HS2 tunnel segments depart Hartlepool for London
19 December, 2023
Rail deliveries of tunnel segments for HS2 London tunnels have begun from Hartlepool.

Eiffage wins further work for the Grand Paris Express
19 December, 2023
Eiffage subsidiary Eiffage Génie Civil, in a consortium with eight architectural firms, has secured a contract to design and build a section of Line 15 East of the Grand Paris Express.