TBM

Daphne and Beatrice have broken through at the Sydney Olympic Park metro station site as part of the Sydney Metro West project. Credit: Sydney Metro

INFRASTRUCTURE

Two TBMs breakthrough at Sydney Olympic Park site

TBMs Daphne and Beatrice have broken through at the Sydney Olympic Park metro station site

15 October 2024

A second TBM has started digging the twin North East Link tunnels that will complete the missing link in Melbourne’s freeway network as part of the much larger Victoria’s Big Build infrastructure project. Credit: State Government of Victoria, Australia

INFRASTRUCTURE

Second renewably-powered TBM underway on Melbourne's North East Link

TBMs powered by renewable electricity build traffic tunnels under Melbourne as part of Big Build

10 October 2024

HS2’s TBM Mary Ann halfway through building the Bromford Tunnel-2. Credit; HS2

INFRASTRUCTURE

HS2's tunnelling into Birmingham reaches halfway point

HS2’s 1600t TBM ‘Mary Ann’ has excavated and built 1.75 miles of the 3.5-mile Bromford Tunnel

29 August 2024

Construction progress at the Pyrmont East Shaft of the Sydney Metro West Eastern Tunnel. Credit: Delve Underground

INFRASTRUCTURE

Delve updates on Sydney Metro West Eastern Tunnelling Project

Delve Underground reports on its involvement with the 24km-long Sydney Metro West tunnelling project

28 August 2024

A 12,310mm diameter Single Shield TBM from Herrenknecht will be used to bore the southern aspect of the Gotthard road tunnel in Switzerland. Credit: Herrenknecht

INFRASTRUCTURE

Herrenknecht returns to the Gotthard

A Single Shield Herrenknecht TBM will bore the southern aspect of the Gotthard road tunnel

16 August 2024

Herrenknecht has built a Mixshield TBM that lines the tunnel as it digs it for ready to create the crossing below the Elbe River that will carry extra-high-voltage direct current (HVDC) transmission lines. Credit: Herrenknecht

UTILITIES

Tunnel boring machine delivered for Elbe River crossing of SuedLink

TBM will not only dig a tunnel but line it at the same time with prefabricated concrete segments

02 August 2024

A concrete tunnel ring segment is moved into place by TBM Sushila to create HS2's Northolt Tunnel. Credit_HS2

INFRASTRUCTURE

HS2's Northolt Tunnel under the capital is 50% complete

Half of the 8.4-mile twin-bored HS2 Northolt Tunnel underneath London has now been completed

19 July 2024

TBM Marlene making the final breakthrough on the Sydney Metro – Western Sydney Airport project, Credit: Sydney Metro

INFRASTRUCTURE

Western Sydney Airport metro tunnel boring completed

Final breakthrough on Australian metro project as fourth TBM, Marlene, finishes bore under Sydney

12 July 2024

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