All Tunnelling Articles

South Australia selects five-firm consortium to finish ‘largest infrastructure project’
South Australia selected a consortium to finish its ‘largest infrastructure project’, which is ahead of schedule
TBM breakthrough at Guangzhou Haizhu Bay Tunnel project
TMB makes breakthrough at US$1.7 billion Chinese tunnel project 
How ‘Mary’ is digging deep for Virginia’s biggest highway project
Mary the tunnel boring machine broke through a headwall, completing the first tunnel that is a part of the Hampton Roads Bridge Tunnel Expansion (HRTAC) project.
Cross-border connectivity: What’s the latest in tunnelling projects across Europe?
Catrin Jones looks at the latest activity at some of Europe’s most complex tunnelling projects
New York’s massive Hudson Tunnel Project awards TBM contract
The Hudson Tunnel Project in New York has awarded a contract for tunnel boring
Poland megaproject launches tender for 4.6km rail tunnel
The company says that this will be the third major construction contract for project 
UK cancels £1.7bn Stonehenge Tunnel project
Labour government cancels controversial Stonehenge Tunnel project
Down Under: The challenges of building Sydney’s mega metro
Comprising the first tunnel drilled under Sydney Harbour and Australia’s biggest station cavern, Australia’s biggest public transport project, has navigated huge technical challenges, a global pandemic, industrial action and floods of epic proportions. 
Consortium selected for US$3bn Canadian tunnel project
A design team has been selected for a major tunnel project in Canada
Develon launches DX235RTF-7 tunnelling excavator
The DX235RTF-7 is said to be built on the foundation of Develon’s DX235LCR-7 reduced radius crawler excavator
HS2’s Northolt Tunnel reaches halfway point
The four tunnel boring machines excavating the Northolt Tunnel have excavated exactly half the project’s total distance.
Fehmarnbelt Tunnel project reaches milestone
All five production lines for standard tunnel elements are now in operation at what will be the longest immersed tunnel in the world
Strabag in €110 million deal to equip transalpine tunnel
Austrian contractor Strabag has won a €110 million (US$120 million) to equip a transalpine tunnel linking Austria and Slovenia
Skanska awarded extra £50m under HS2 contract
Skanska is to receive an extra £50 million (US$64.7 million) under its existing contract for the HS2 high-speed railway, as part of the Skanska Costain Strabag joint venture
Implenia to build station and railway tunnel for Swedish transportation scheme
Swiss construction company Implenia is set to build a section of the “West Link” transportation scheme in Gothenberg, Sweden, including a railway tunnel and station
Consortium named preferred bidder on A$30 billion Melbourne rail project
A consortium of contractors is in pole position to undertake the second tunnelling contract for the Suburban Rail Loop (SRL) East in Melbourne, Australia
Contractor using remote-control excavators on Sydney Metro project
A contractor is using remote controlled excavators for major Sydney Metro work
Could part of the billion-dollar HS2 rail project be revived?
With the Labour Party now in power in the UK, what might happen with the problematic HS2 project?
Implenia-led joint venture bags $478m Swiss tunnel deal
A joint venture led by Implenia has won a CHF 430 million (US$478 million) deal to build the ‘Sisikon Tunnel’ in Switzerland
Stonehenge could be put on world heritage danger list over tunnel plan
The A303 tunnel project in the UK is on shaky ground even though project contractors have already been announced 
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