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  Date 2022
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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.

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.

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.

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.

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

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.

Everything between
27 December, 2022
The early days of December see attention turn more to the tunnellers’ patron, St Barbara. This annual day of celebration brings further focus to the eternal desire that projects, whether new or underway, will go well. Success and safety are wished by all.

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

China’s largest EPBM breaks through on Jinxiu Tunnel
23 December, 2022
The first breakthrough has been made on the Jinxiu Tunnel, a key part of the Chengdu-Zigong high-speed railway in Sichuan province in south-west China.

Report paves way for tunnel in Buffalo
21 December, 2022
A six-lane tunnel is the best option for the Kensington Expressway project in Buffalo, New York State, the final scoping report has found.

hyperTunnel to collaborate with University of Birmingham
20 December, 2022
hyperTunnel has signed a Memorandum of Understanding (MoU) with the University of Birmingham to work together to accelerate underground construction innovation.

Barhale to protect sewer from HS2 tunnelling
20 December, 2022
Barhale has been awarded a £4.5m contract by Thames Water to reinforce a sewer to minimise the impact from HS2 tunnelling.

Tunnelling starts on French entrance portal
19 December, 2022
Excavation work has started on the entrance portal on the French side of the base tunnel for the Lyon-Turin railway.

Snowy 2.0 monitors surface depression above tunnel
16 December, 2022
A surface depression has emerged above the headrace tunnel on Australia’s Snowy 2.0 hydro project.

Coire Glas exploratory works commence
16 December, 2022
Strabag UK has started exploratory works for Coire Glas, the UK’s first large-scale pumped storage scheme for 30 years.

CRCHI Hard Rock TBM Exceeds 1000 meters per month in Peru
16 December, 2022
A Great Achievement in the San Gawang Hydropower Station Project in Peru

Webuild acquires Clough assets to expand Australian presence
15 December, 2022
Webuild is to acquire assets and certain projects from Clough Group, which went into voluntary administration last week.

Broadway Subway Project launches second TBM
14 December, 2022
Metro Vancouver’s Broadway Subway Project has launched the second of two TBMs.

Silvertown Tunnel cost rises
13 December, 2022
Rising inflation and Covid 19 measures have pushed the cost of the Silvertown Tunnel £12m over budget.