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Tunneling News

Wimbledon foundation pilings right on schedule

Foundation works for a new basement and a pedestrian tunnel at Wimbledon tennis courts in southwest London, are expected to be completed in December. The project that started in September 20...

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Mapping Rome's underground passageways

Recent discoveries such as the network of tunnels beneath the Roman Emperor Hadrian's Villa in Tivoli, Italy, confirm the existence of a labyrinth of underground passageways in the area. Although thes...

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Mysterious object obstructs the world's largest TBM in Seattle

The Bertha Tunnel Boring Machine, at 57.5 feet (17.5 m) in diameter, is the world's largest TBM. On July 30, Bertha began digging a tunnel beneath downtown Seattle to replace the SR 99 Alaskan Way Via...

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Intelligent robots detect cracks in tunnels

A new robot called Robinspect (ROBotic System with Intelligent Vision and Control for Tunnel Structural INSPECTion and Evaluation) is placed at the end of a truck crane to search for cracks, fissures...

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First installation of inflatable balloons to protect tunnels from flooding

The Resilient Tunnel Plug (RTP) seems to be the solution against tunnel flooding, eliminating all the disastrous consequences that have been observed in the past. The plug is being developed by th...

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Report examines partial failure of a structure inside Balcombe Tunnel in West Sussex. Partially blames resin used.

The Rail Accident Investigation Branch (RAIB) examined a steel structure’s failure in the roof of the Balcombe tunnel in UK, which happened on September 23, 2011. The structure, one of six within t...

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Trends and perspectives on tunnels, experts’ view

In recent years, tunnel design and construction have progressed significantly worldwide and particularly, in the United States. The new technologies, the populations’ growth in the country and the...

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Elizabeth TBM arrives at Stepney Green Cavern (video)

Elizabeth TBM arrived last Friday at Stepney Green cavern during its journey to Farringdon. Elizabeth and Victoria are the second pair of TBMs used for the project and scheduled to complete the longes...

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New titles available in our Featured books section!

We are happy to announce that 4 new titles have been added in our Featured Books section by Ernst & Sohn in a variety of geo-categories! You can find more information on the book titles and how...

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Impressive Tunnelling Network below Emperor Hadrian’s Villa dates back to 118 A.D.(video)

A network of tunnels and passageways has been discovered by the caver Marco Placidi’s team, beneath the Hadrian’s Villa in Tivoli, 15 miles east of Rome. Recently, Placidi’s team discovered a new 1...

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