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Tunnelling: 8 of 40

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

The digital twin simulation provides a remote, real-time visual representation of a successful wall bracket installation. Image credit: Costain)
INFRASTRUCTURE

Real-time digital assurance system set to transform installation of tunnel services

Trials show potential for significant reduction in delivery times for tunnel installation

24 September 2024

A train passing through Herrenknecht’s Tunnel Enlargement System on the Lahn Valley Railway, shortly before the start of excavation work on the Cramberg Tunnel. Credit: Herrenknecht
INFRASTRUCTURE

Enlargement of operational tunnels without closures

Herrenknecht's latest technology allows tunnels to be widened while trains continue to pass through

12 September 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

An exploratory tunnel was completed at Coire Glas that will allow the project team to gather accurate information on the geological conditions to inform the detailed design for the main works for the planned hydroelectric plant. Credit: SSE
UTILITIES

Milestone for SSE's Coire Glas as exploratory tunnel now complete

Completion of 1.2km tunnel marks a new milestone for the Coire Glas hydroelectric project

12 August 2024

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