Features
Our editorial board comprises a specialist group of leading industry figures who, in conjunction with the TUNNELS editorial team, identify the main drivers of the industry helping to produce regular, thought provoking opinion pieces on the latest issues, challenges and developments.Latest Tunnels Feature
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.
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.
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.
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.
Driving ahead with waterproofing membranes
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
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
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
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
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
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
Nicholson Construction has had three contracts for Project Clean Lake in Ohio, and each has posed its challenges. Keren Fallwell reports
Johann Herdina interview
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
