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Dr Donald Lamont Interview
29 December, 2022
Highly respected and globally known, Dr Donald Lamont has for decades helped to lead the charge on health and safety in underground environments and working. He talks to Julian Champkin.

Marine shaft construction with outfall tunnel connection
29 December, 2022
The Musaimeer outfall project in Qatar had many interesting technical aspects and construction challenges. In this feature, the second feature of the project by Gary Peach, and along with Khalid Saif Al-Khayareen, the works needed to build an offshore shaft that would be intercepted by a TBM, then to be buried, are discussed.

Tunnelling Under Operating Highways and Railways: Part 2
28 December, 2022
Keivan Rafie and Gary Kramer of Hatch present the second of their two-part look at lessons in planning and constructing tunnel crossings with shallow cover under live transport corridors.

Key points in artificial ground freezing techniques
28 December, 2022
Artificial Ground Freezing (AGF) was the focus of a key presentation earlier this year to ISSMGE’s TC204 symposium, in Cambridge, UK. Geotechnical consultant Vittorio Manassero reviewed and discussed the method in the presentation to delegates.

Ensuring the seals on immersed tunnels
28 December, 2022
Use of rubber seals to make immersed tunnels watertight was the focus of a talk by Nicas van den Brink of Trelleborg to BTSYM/TAIym in 2020. Points covered are discussed plus a project update.

Driving ahead with waterproofing membranes
28 December, 2022
Protan has a number of initiatives underway with its membrane technologies to match trends and needs for waterproofing products in tunnels, says underground system sales manager Arndt Hedtkamp.

Mesh in place for permanent drainage
28 December, 2022
Dolenco Tunnel Systems has developed a drainage system with a mesh of flexible channels to be embedded as a layer during tunnel wall lining

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

Hydro caverns offer vital experience for underground oil and gas storage
24 November, 2022
Norway’s experience with extensive hydropower development and surge chamber cavern technology offered lessons for its underground oil and gas storage projects. This is an abridged report of the full paper by Prof. Bjørn Nilsen discussing the similarities and key lessons to share

Leadership vision for a path toward sustainability
24 November, 2022
Shortly before his recent election as President of International Tunnelling and Underground Space Association (ITA-AITES), Prof Arnold Dix, a global expert in tunnel sector contractual arrangements, told T&T about his vision for how the international tunneling industry can accelerate its practical pursuit of sustainability – by being armed with new, tailored-made measurement tools and introducing a ‘non-dispute’ option in contract law

Tunneling under operating highways and railways: Part 1
24 November, 2022
Keivan Rafie and Gary Kramer of Hatch present the first of their two-part look at lessons in planning and constructing tunnel crossings with shallow cover under live transport corridors

Clean hat trick
24 November, 2022
Nicholson Construction has had three contracts for Project Clean Lake in Ohio, and each has posed its challenges. Keren Fallwell reports

Johann Herdina interview
21 November, 2022
With a tunnelling career spanning decades in the Alps, Johann Herdina has significant experience leading on the planning and delivery of major underground projects. He talks to Julian Champkin

25 years of BTS/ICE specification for tunneling
21 November, 2022
The 4th Edition – Collaborating for sustainability

Out and in at sea
31 October, 2022
Major lifts for tunnel projects have taken place at sea recently for an outfall off Kuwait and at Hinkley Point C power station, in UK

BIM for bored tunnels
31 October, 2022
ITA’s Working Group 22 has published a guide to talk about BIM and its use for bored tunnel projects

Hydro Caverns Offers Vital Experience for Underground Oil and Gas Storage
31 October, 2022
Norway’s experience with extensive hydropower development and surge chamber cavern technology offered lessons for its underground oil and gas storage projects. This is an abridged report of the full paper by Prof. Bjørn Nilsen discussing the similarities and key lessons to share.

Spotlight on Austrian Alpine Tunnelling
31 October, 2022
The 13th Austrian Tunnel Day and 71st Geomechanics Colloquium takes place in October in Salzburg.

A Look Beyond Only Physical: Virtual Master Rings
31 October, 2022
Florian Werres of VMT describes a digital approach to achieving the assurance of segmental quality for bored tunnels without always physically erecting master rings.

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.