Features Archive

Advanced Tunnel modelling
16 July 2018 Ioannis Vazaios of Queens University and Nicholas Vlachopoulos of the Royal Military College of Canada discuss the modelling of diverse tunnelling conditions and integration of the appropriate numerical modelling technique into the design process

What’s the Difference
16 July 2018 Ophir Wainer, Lawrence Arcand, and Blain Hunt, of T2 Utility Engineers, discuss subsurface utility engineering and utility locating

Learning curve
05 July 2018 Mehdi Hosseini, now at LBA, and Hamid Samadi of main contractor Farab give this account of work on Sri Lanka’s Uma Oya project, and steps taken to optimise performance on site

Better below
04 July 2018 Critics cite delays and cost overruns when new infrastructure is being considered and at the root of this is often construction impeded by issues with utilities. A new emphasis on underground utility engineering looks for ways to better cope with the urban subsurface, Nicole Robinson reports

Good neighbor
04 July 2018 Paola De Pascali spoke with Walsh/Shea Corridor Constructors about the challenges of the Metro Crenshaw/LAX Line in Los Angeles

Turnaround
04 July 2018 Crews complete Montreal’s Rue Jarry tunnel on time after severe flooding, Desiree Willis of Robbins reports

Tunnelling in Paradise
03 July 2018 Rachel Sackett, director of marketing for Southland Holdings looks at the construction of Hawaii’s longest and largest TBM tunnel

Segment documentation
22 June 2018 Alex Conacher and Florian Werres discuss current practices and future developments for segment tagging in tunnelling

Survey course
22 June 2018 Paola De Pascali talked with Balfour Beatty tunnelling manager and past BTS chair Roger Bridge about the Tunnel Survey course, the first of its kind in the UK

Isarco underpass
21 June 2018 Paola De Pascali talked with Raffele Zurlo, CEO for the Italian part of the Brenner Base tunnel client, about the challenges at the Isarco River underpass, a tunnel to the south of the main Brenner bore

Deutsche dip
19 June 2018 Alex Conacher speaks to Stuva’s managing director Roland Leucker about the current challenges facing metro work in Europe’s largest economy

WTC 2018
19 June 2018 The 2018 World Tunnel Congress was hosted by SoE UAE in Dubai

Digging deep In the lower Himalayas
28 May 2018 Twin 8.5m-diameter, 10.5km-long parallel headrace tunnels subject to overburdens up to 1,870m with high horizontal stresses were excavated for the Neelum Jhelum Hydroelectric Project in northeastern Pakistan using two gripper TBMs. This article was written by Gary Peach, resident TBM engineer for Multiconsult

Underground spaces unveiled
25 May 2018 In his latest book review for Tunnels and Tunnelling, Paul Perry of Hewson Consulting Engineers reads Underground Spaces Unveiled by Han Admiraal and Antonia Cornaro from the ITA’s Committee for Underground Space

Norwegian fire incidents
24 May 2018 Tunnels and Tunnelling got in touch with Arild Søvik, CEO of Søvik Consulting following his presentation at Stuva 2017. At the event Søvik presented a study of recent Norwegian tunnel fire incidents and the response of authorities

Good neighbour
24 May 2018 Paola De Pascali spoke with Walsh/Shea Corridor Constructors about the challenges of the Metro Crenshaw/LAX Line in Los Angeles

Finsbury park square works
16 May 2018 The November BTS talk describes the square works for Finsbury Park and was presented by three speakers; Farid Acha, lead tunnel engineer for London Underground; John Elliot, director of underground infrastructure for Golder, and Menelaos Lydakis, chartered engineer and project manager of Spencer Group. The talk gives an insight into the scheme design of the project, detailed design and how it was finally implemented during the construction of the scheme. This report was prepared by Rosa Diez of Mott MacDonald

Right angle
10 May 2018 Paola De Pascali speaks with Joseph Dos Santos, president of Dos Santos International, about the GPS high angle conveyors recently installed at work sites for a tunnel extension project on the Paris Metro

Four seasons
10 May 2018 To relocate utilities on Calgary’s Glenmore Dam, Ward & Burke needed to work in an environmentally sensitive and highly visible public space, Nicole Robinson reports

Montreal’s major project
09 May 2018 Construction is expected to start this year for the REM, which will become one of the largest, fully automated LRT systems in the world, Jean Habimana of Hatch, reports