Latest from Tunnels and Tunnelling
Varied tunneling challenges in BC
Two tunneling projects in British Columbia present Acciona with quite different excavationchallenges – Broadway metro extension, in Vancouver, and BC Hydro’s Site C
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Tunneling 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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Single pass solution for Ecuador sewer
For a pressurised sewer project in Ecuador, long pipe jacking drives with MTBMs were key to constructing a single-pass hybrid lining. Bernard Catalano of Bessac Canada describes the challenge and choices
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Energy company SSE is providing a £100m investment boost to Coire Glas, Britain’s biggest pumped hydro storage scheme for 40 years.
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WTC 2024 - Call for Abstracts
ITA-AITES and the China Civil Engineering Society are calling for abstracts for the World Tunnel Congress 2024 (WTC2024) which will be held in Shenzhen, China, 19-25 April, 2024. The theme of WTC2024 is Tunnelling for a Better Life.
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Tunnelling on the Hampton Roads-Bridge Tunnel Expansion expected to start next month
TBM assembly is under way on the Hampton Roads-Bridge Tunnel Expansion Project (HRBT) – the largest construction project ever awarded in the state of Virginia – and tunnelling is expected to start next month.
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Professor Marc Panet to deliver Muir Wood Lecture at WTC2023
Professor Marc Panet will deliver the 12th Muir Wood Lecture at this year’s World Tunnel Congress in Athens in May.
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Implenia wins second Fornebu Line contract
Implenia has won a second tunnelling package on Oslo’s Fornebu Line.
LATEST FEATURES
Utility tunnels are among key underground investments in two major Canadian cities – Toronto and Vancouver
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Succeeding in the shadows
Surveying and scanning have been combined to build New Zealand’s first underground railway. Report by Mary Jo Wagner
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Shields at the ready
With multiple TBM tunnelling projects constantly in preparation or underway globally, T&T briefly spotlights a few from the last couple of years
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Single pass solution for Ecuador sewer
For a pressurised sewer project in Ecuador, long pipe jacking drives with MTBMs were key to constructing a single-pass hybrid lining. Bernard Catalano of Bessac Canada describes the challenge and choices
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Two tales of technology
Recent technology successes for Robbins include an award-winning conversion of a TBM diameter while underground, and continuing to see the difference the robust McNally support system delivers for excavations in difficult ground
