TBM starts on Thames power tunnel

A Herrenknecht tunnel boring machine has been lowered into the ground using a Weldex crawler crane, for Ferrovial Bemo JV, who are building a new power tunnel under the Thames for National Grid.

New Hampshire $360M Stormwater Tunnel Project Awaits Tunnel Boring Machine

TBM will support one of the city's largest-ever public works projects,set to start in August the bore of a 2.25 mile, 12-ft-dia stormwater conveyance tunnel

TBM launched on National Grid’s 2.2km power tunnel under the Thames

A 271.5t tunnel boring machine (TBM) has begun excavating a 2.2km tunnel beneath the River Thames as part of National Grid’s Grain to Tilbury project. The post TBM launched on National Grid’s 2.2km power tunnel under the Thames appeared first on New Civil Engineer.

Webuild excavates first tunnel for Sicily rail corridor

An Italian team of Pizzarotti and Webuild say excavation at the first tunnel for the Messina-to-Catania Railway, at Forza D’Agrò, has been completed. Tunnel boring machine “Alessia,” pictured, excavated 2.5km… The post Webuild excavates first tunnel for Sicily rail corridor appeared first on Global Construction Review.

Manual TBM for Southampton Link Main

A six-tonne tunnel boring machine is digging deep below the ground in Hampshire to build a new water main.

Take a Tour Inside a HS2 Tunnel Boring Machine

Take a tour inside a HS2 tunnel boring machine (TBM) with one of our tunnelling engineers. Walk the length of this 170m long underground 'factory' and discover how it excavates the 10 mile long Chiltern tunnel high speed trains will run through. See inside the control room of TBM Cecilia and find our where the crew make their coffee!

Crossrail's first tunnel boring machine breaks ground at Royal Oak, May 2012

Crossrail's first giant tunnel boring machine (TBM), Phyllis, has broken ground at Royal Oak to construct the first section of tunnel between Royal Oak and Farringdon.

TED Ed (Animation) - How the world's longest underwater tunnel was built, 30032020

Discover how the English Channel Tunnel was built and the engineering challenges of building a 200 kilometre long tunnel underwater. Flanked by two powerful nations, the English Channel has long been one of the world’s most important maritime passages. Yet for most of its history, crossing was a dangerous prospect. Engineers proposed numerous plans for spanning the gap, including a design for an underwater passage more than twice the length of any existing tunnel.