Latest from Tunnels and Tunnelling
A Look Beyond Only Physical: Virtual Master Rings
Florian Werres of VMT describes a digital approach to achieving the assurance of segmental quality for bored tunnels without always physically erecting master rings.
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Out and in at sea
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.
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Spotlight on Austrian Alpine Tunnelling
The 13th Austrian Tunnel Day and 71st Geomechanics Colloquium takes place in October in Salzburg.
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The two TBMs excavating HS2’s longest tunnels have passed the halfway point on their 16km journey under the Chilterns.
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VTA secures BART extension funding
The State of California has awarded US$375m (£304m) to the Santa Clara Valley Transportation Authority (VTA) for its BART extension into Downtown San Jose and Santa Clara.
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Federal funding boosts Hudson Tunnel project
Construction will start on New York’s Gateway Tunnel this year after President Biden announced a US$292m (£237m)grant for the project.
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Barhale appoints new director
Civil engineering and infrastructure specialist Barhale has appointed a new regional director for Yorkshire and north-east England.
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Carroll Technologies highlights non-roadway collision deaths
New research from industrial safety specialists Carroll Technologies Group has revealed that 1,807 deaths were caused by non-roadway collisions at US mining, construction and industrial facilities in the years 2011 to 2021.
LATEST FEATURES
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.
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Marine shaft construction with outfall tunnel connection
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.
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Tunnelling Under Operating Highways and Railways: Part 2
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.
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Key points in artificial ground freezing techniques
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.
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Ensuring the seals on immersed tunnels
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.
