Search Results: 'Robbins'

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‘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.

Squaring the circle
29 December, 2021
Lok Home, owner of Robbins, once sold his company to the Chinese then bought it back because he disliked what they were doing to it. He makes TBMs that cut the hardest of hard rock. Now he has made a TBM that breaks all the rules. Report by Julian Champkin

Tunnels facilitate water flow
29 November, 2021
Water system upgrades are keeping the North American tunnelling industry busy. Keren Fallwell reports

Robbins TBM hailed as world’s ‘fastest’ over 13m diameter
17 November, 2021
Crews and personnel from Robbins, Kolin Construction and Turkish State Railways (TCDD) have witnessed the breakthrough of what is claimed to be the world’s fastest TBM over a 13m diameter.

Pioneering blast-free technology could have big impact on tunnelling
01 November, 2021
Hillgrove Resources has announced what is claimed to be the world’s first portal to be excavated using blast-free continuous mining technology developed by Komatsu for the Kanmantoo copper mine in Australia.

Digging the deal on infrastructure
11 October, 2021
George Demetri takes a look at the state of US infrastructure, the possible causes of its lacklustre performance and how it may be improved, taking in along the way the views of some high-profile engineers and consultants

Robbins unveils rectangular rock-mining innovation
02 September, 2021
Robbins has designed and supplied an innovative machine which bores rectangular tunnels in hard rock, resulting in flat inverts that can be used immediately by rubber-tyred vehicles.

Robbins TBM sets new world records
03 August, 2021
TBM-maker Robbins has announced that one of its machines – a 13.77m-diameter Crossover XRE TBM – has set new world records for best day, week and month performances in the 13-14m-diameter range.

Robbins TBMs in final Mumbai Line 3 breakthrough
20 July, 2021
Robbins has announced that its 6.65m-diameter Crossover XRE TBM (the second of two) recently made its third and final breakthrough on India’s Mumbai Metro Line 3, following its sister machine’s final breakthrough made in late April.

TBM undergoes in-tunnel diameter conversion
14 July, 2021
US-based TBM maker Robbins announced recently that its 11.6m-diameter Main Beam TBM (‘Big Tex’) – the largest rock machine ever to bore in the US – has recently undergone a diameter change during tunnel excavation.

Robbins TBM launched to bore Turkey high-speed tunnel
26 May, 2021
Robbins has announced that one of its TBMs – a 13.77m-diameter Crossover XRE machine – was launched in the spring to bore the Eşme-Salihli rail tunnel in western Turkey.

Learning from three great challenges
07 May, 2021
Mehdi Hosseini of London Bridge Associates reports on the recent BTS talk – ‘Three Great Challenges: Experience from TBM Tunnelling in Difficult Ground’ – given in January by Robbins president Lok Home

AI and Machine Learning
30 April, 2021
Best use of artificial intelligence in tunnels will need data strategies plus experienced oversight, writes Patrick Reynolds