Search Results: 'Robbins'

Nepalese headrace tunnel makes good progress
22 November, 2022
Tunnelling is progressing on the 13.1km headrace tunnel for the Sunkoshi Marin Diversion Multipurpose Project in southern Nepal.

Johann Herdina interview
21 November, 2022
With a tunnelling career spanning decades in the Alps, Johann Herdina has significant experience leading on the planning and delivery of major underground projects. He talks to Julian Champkin

Upward climbs for TBMS
26 September, 2022
Inclined shafts for hydropower tunnels are an interesting task for excavation by TBM, which have been successfully rising to varied challenges

‘Mrs Vera’ ventures forth
30 August, 2022
Robbins’ TBM ‘Mrs Vera’ was launched earlier this year to complete a tunnelling challenge in karstic limestone below St Louis, Missouri

Big Tex breaks through on North America’s largest water tunnel project
04 August, 2022
The TBM has broken through on the Mill Creek Drainage Relief Tunnel in Texas – the largest water tunnel project under construction in North America.

Tunnelling restarts on St Louis’ Jefferson Barracks
18 May, 2022
A specialised Robbins 4.1m diameter main beam TBM has been launched in St Louis, Missouri, to bore Phase 2 of the Jefferson Barracks tunnel.

A long line of success
14 April, 2022
Dean Brox of Dean Brox Consulting reviews the benefits and successes associated with precast concrete tunnel linings when used for hydropower tunnels

Robbins main beam completes extremely challenging drive
01 April, 2022
An 8m diameter Robbins main beam TBM has completed a challenging drive to break through on China’s Yin Han Ji Wei project.

Tunnelling completed on Canada’s largest outfall
25 March, 2022
A 7.95m diameter Robbins single shield TBM has completed a record run below Lake Ontario, on the Ashbridges Bay Outfall project.

Driving TBM progress
28 January, 2022
Mechanised tunnelling systems are developing both in complexity and in the number of projects on which they are deployed. Patrick Reynolds looks at a few

Robbins XRE TBM breaks through in the Andes
06 January, 2022
Having bored through challenging variable ground with rock strengths of up to 60MPa UCS, a Robbins Crossover XRE TBM has broken through in the mountainous southern Maule region of Chile.