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Tunnelling

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

Posiva’s ONKALO tunnel system has been designed to accommodate 6500 uranium tons of spent fuel. Credit: Posiva
UTILITIES

Posiva introduces ONKALO and its principle of operation

System of tunnels developed for the safe burial of spent nuclear fuel in bentonite packed canisters

09 August 2024

Alice Delahunty, president of Electricity Transmission at National Grid, (left) with Energy minister Michael Shanks during a visit to the National Grid’s £1 billion London Power Tunnels 2 (LPT2) project. Credit: National Grid
UTILITIES

National Grid switches on first London Power Tunnels circuit

Ministerial visit marks switch on of National Grid's London Power Tunnels circuit

07 August 2024

Develon’s new DX235RTF-7 tunnelling excavator is designed to be simple to lift and manoeuvre into place. Credit: Develon
INFRASTRUCTURE

New DX235RTF-7 tunnelling excavator from Develon

New crawler excavator designed especially for use in limited space tunnelling applications

26 July 2024

hyperTunnel’s technology used swarm construction methods according to a digital twin of the tunnel. Credit: HyperTunnel
INFRASTRUCTURE

Tunnelling technology disruptor hyperTunnel enters administration

It's the end of the line as tunnelling technology disruptor hyperTunnel goes into administration

25 July 2024

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