Latest from Tunnels and Tunnelling
Take initiative
Lindsey Gauthier, research assistant, and Lana Gutwin, research coordinator, both of CETT, outline the work and research of the consortium, which is part of the University of Alberta
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Waterview tunnel
Tommy Parker, NZ Transport Agency and Iain Simmons, Well-Connected Alliance gave a presentation on the Waterview Connections project. Paul Perry of Hewson Consulting Engineers reports
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A digital twin
Digitalisation offers a variety of new possibilities. One of them is the modelling of infrastructure with Building Information Modelling (BIM).
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Italy – Salini Impregilo, Strabag, Consorzio Integra and Collini Lavori have completed 70% of the excavation work on the southernmost lot of the Brenner Base Tunnel project. This amounts to 3,800m of excavation as Tunnels and Tunnelling goes to press.
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Bechtel opens Melbourne office to target infrastructure pipeline
Australia – Bechtel has opened an office in Melbourne. It stated that the move was to pick up work from the Victorian Government’s AUD 100bn infrastructure pipeline.
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First two TBMs gear up for Pune Metro
India – Two Terratec EPBMs have been completed and shipped to the underground works on Line 1 of the 16.56km Pune Metro. The TBMs have already been despatched from the factory in China and are currently being shipped to the port of Mumbai. Both machines are expected to arrive in November and will be transported to Pune where they will be assembled and then tested on site in mid-December.
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Metro Vancouver greenlights Massey tunnel option
BC – Metro Vancouver's board of directors approved the tunnel option suggested last month by a committee. The November 1 vote endorses the proposed eight-lane, immersed tube tunnel for the Massey tunnel replacement. Two lanes would be reserved for transit.
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Breakthrough on Thames Tideway West
Great Britain – The first breakthrough on the Thames Tideway project took place last week at King George’s Park in Wandsworth. A 3m diameter Lovat EPBM, Charlotte, is digging the 1.1km Frogmore Connection Tunnel from Wandsworth to Fulham. The breakthrough marked completion of the 500m southern section of the tunnel and the TBM will now be lifted from the shaft, taken back to Dormay Street and placed back into the ground to tunnel 600m north to Fulham.
LATEST FEATURES
Kristian Downs, export manager for Siltbuster explains the use of the company’s system on the Gothenburg Metro project
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In the clear
Tunnelling below St. Louis will improve wastewater capacity and alleviate overflows, Desiree Willis, technical writer for Robbins, reports
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To boldly go underground
Paola De Pascali speaks with Jamal Rostami, head of mining engineering at the Colorado School of Mines, who has been looking at the challenges of tunnelling on the moon
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No changes, No regrets
Paola De Pascali returns to the Trans Adriatic Pipeline’s landfall site to check on progress as the project enters its final stages
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Manila Aqueduct
At the June 2019 meeting of the British Tunnelling Society, GHD’s practice leader for tunnels, Brendan Henry spoke about the NBAQ 4 project to deliver water to seven million residents in the Manila metropolitan area. Alex Conacher reports
LATEST Blogs
Experience what’s out there
A tunnel is roughly defined, when a definition can be narrowed down at all. A drive time radio host sharing the traffic report will refer to a surface-level enclosed road as a tunnel, or a pedestrian walkway in a culvert, or even an eight lane overpass. When I started working with Tunnels & Tunnelling the general guidelines for covering a project were, at least a kilometer long, and at least eight feet in diameter. The specific numbers aren’t as important, though, as what they signify—the need to excavate without disrupting the surface.
A tunnel is roughly defined, when a definition can be narrowed down at all. A drive time radio host sharing the traffic report will refer to a surface-level enclosed road as a tunnel, or a pedestrian walkway in a culvert, or even an eight lane overpass. When I started working with Tunnels & Tunnelling the general guidelines for covering a project were, at least a kilometer long, and at least eight feet in diameter. The specific numbers aren’t as important, though, as what they signify—the need to excavate without disrupting the surface.
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A 40-year strategy
There are many in this industry who will say “nothing changes” in tunnelling. Obvious technological advancements, mergers and retirements aside, many times they are right.
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HS2 under review
It is understood that HS2 is at the starting blocks and ready to go. The visible evidence of this can be seen across the county, with major demolition and enabling works around Euston and along the route. The long term effects on spreading wealth northwards can also be seen with development being undertaken in Birmingham and Manchester.
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Planning for the twenties
In this issue of Tunnels and Tunnelling International Paola De Pascali reports from the World Tunnel Congress, which was held in Naples in May and saw a number of publications from working groups and committees. The ITA Committee for Technology (ITAtech was particularly prolific.
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Wisdom of the Faroes
As I write, the Tunnels and Tunnelling team is preparing to leave for the Rapid Excavation and Tunnelling Conference in the USA, the world’s richest, and one of its largest countries. It always seems to have a megaproject underway or in the pipeline.
