Latest Tunnelling News
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HS2 Launches Second TBM to Tunnel Under London
A second 140 metre long, 2,050 tonnes tunnel boring machine (TBM) has begun its journey across London for HS2.
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hyperTunnel's Network Rail Project Produces First Underground Structure Built by Robots
hyperTunnel has revealed the world’s first underground structure constructed entirely by robots as part of a project for Network Rail.
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HS2 Constructs First of Chiltern Tunnel Cross Passages
HS2 has commenced work on the thirty-eight cross passages that will link the northbound and southbound Chiltern tunnels.
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Track Laying Begins on Lines 16 and 17 of Grand Paris Express
A new milestone has been reached on the Grand Paris Express project, thanks to the completion of the first half of the Line 16 tunnel.
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HS2: Chiltern Tunnel North Portal Designed to Cut Traffic Noise
HS2 has unveiled designs for Chiltern Tunnel’s north portal, which focus on cutting noise from trains as they enter and exit the tunnel.
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Peru: Celebrations for Lima Metro’s First TBM Breakthrough
The first tunnel‐boring machine (TBM) to excavate beneath the city of Lima, Peru has completed its initial section of tunnel.
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Austria: Webuild Begins Work on New Brenner Base Tunnel Lot
WeBuild has begun work on Lot H41 Gola del Sill‐Pfons of the Brenner Base Tunnel using 2 tunnel‐boring machines with a diameter of over 10m.
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Canada: TBMs Travel to Toronto to Dig Eglinton Crosstown West Extension Tunnels
Work on Toronto’s Eglington Crosstown West Extension is a step closer to starting, as the project’s TBMs are now on their way to Canada.
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HS2 Green Tunnel Contract Awarded to Stanton Precast
Stanton Precast has been awarded the contract to deliver three 'green tunnels' for HS2 by the main works contractor EKFB.
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Webuild Joint Venture Wins Brenner Base Tunnel Lot H41 Award
An Implenia/Webuild (and swiss subsidiary CSC) joint venture has been awarded Lot H41 of the Brenner Base Tunnel project.
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HS2 Tunnel Boring Machine Completes First Mile Under the Chilterns
HS2 tunnel boring machine ‘Florence’ has passed the one mile mark, cutting through a mix of chalk and flint beneath the Chiltern hills.
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Scarborough Subway Extension Tunnel Boring Machine Undertakes Quality Control and Testing Prior to Shipment
Workers in Schwanau, Germany, have been busy manufacturing t the Scarborough Subway Extension’s tunnel boring machine (TBM).
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HS2 Unveils Designs for Final Chiltern Tunnel Headhouse
Images of HS2’s Chesham Road rural headhouse, which will provide emergency access to the 10-mile-long Chiltern tunnel, has been unveiled.
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Putin Opens Second Tunnel on Baikal-Amur Mainline
This week the second Baikal tunnel on the Baikal-Amur Mainline was officially opened to rail traffic by Russian President Vladimir Putin.
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Webuild JV Wins Contract for Turin-Lyon High-Speed/High-Capacity Railway Base Tunnel
Webuild and partners have won a contract to excavate a section of the Turin-Lyon high-speed/high-capacity railway base tunnel.
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HS2 Launches Second Giant Tunnelling Machine - Cecilia
HS2 has launched Cecilia, the second of two 2,000t tunnelling machines that will excavate ten-mile-long tunnels beneath the Chiltern Hills.
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HS2 Warwickshire Site Prepared for Launch of Tunnel Boring Machine
Collins Earthworks has completed the preparation of the HS2 site in Warwickshire in readiness for tunnelling to start this summer.
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Sydney Metro TBMs to Begin Work on the Project's Tunnels
Sydney Metro has announced that tunnelling works have begun in the city. The Sydney Metro TBMs have been designed specifically to deal with …
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Tunnelling Complete on London Underground's Northern Line Extension
London Underground's Northern Line Extension reached a major milestone yesterday, 08 November, with the completion of tunnelling work.
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Rhine Valley Railway Services to Recommence Earlier Than Planned
The full length of the Rhine Valley Railway line ("Rheintalbahn") will again be in operation as of October 2. Deutsche Bahn (DB) and the con…
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Sydney Light Rail Construction Reaches Breakthrough Moment
The Sydney Light Rail tunnel is one step closer to completion, with the breakthrough site at Moore Park marking the start of construction fo…
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DMRC Tunnelling Breakthrough in Delhi
The Delhi Metro Rail Corporation Ltd. (DMRC) celebrated a tunnelling breakthrough on Phase III of the Delhi Metro project in South West Delh…
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Riyadh Metro Line 5 Tunnel Excavation Complete
A milestone was reached on 8 June 2016 in the Riyadh Metro Project with the completion of tunnel excavations on the Green Line.
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Fehmarnbelt Tunnel Contractors Appointed
Fehmarnbelt Tunnel contractors have been announced by Femern A/S. The contractors will undertake works on 4 major construction contracts.