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News | 2 March 2020

Tough TBM breaks through after navigating Faults, Karst, and More

In January 2020, a Robbins 5.97 m (19.6 ft) diameter Main Beam TBM cleared its final hurdle when it broke through in Guangxi Province, China. The tunnel was marked by a gauntlet of challenges, from karst cavities to fault zones and water inflows. [...]

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In January 2020, a Robbins 5.97 m (19.6 ft) diameter Main Beam TBM cleared its final hurdle when it broke through in Guangxi Province, China. The tunnel was marked by a gauntlet of challenges, from karst cavities to fault zones and water inflows. [...]

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News | 7 January 2020

Robbins unveils Largest Hard Rock TBM in the U.S. at Mill Creek

In December 2019, the City of Dallas, Texas, USA unveiled the largest hard rock TBM ever to bore in the U.S. The 11.6 m (38.1 ft) diameter Robbins Main Beam TBM will excavate the 8 km (5 mi) Mill Creek Drainage Relief tunnel. [...]

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In December 2019, the City of Dallas, Texas, USA unveiled the largest hard rock TBM ever to bore in the U.S. The 11.6 m (38.1 ft) diameter Robbins Main Beam TBM will excavate the 8 km (5 mi) Mill Creek Drainage Relief tunnel. [...]

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News | 27 November 2019

Two Robbins Crossover TBMs to Bore Second Severomuysky Tunnel

In 1979, a 4.56 m diameter Robbins Double Shield TBM was delivered to bore the Severomuysky Service Tunnel, a 15.3 km long railway through the remote mountains of Siberia. Now, 40 years after the original machine was delivered, Robbins is returning to the [...]

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In 1979, a 4.56 m diameter Robbins Double Shield TBM was delivered to bore the Severomuysky Service Tunnel, a 15.3 km long railway through the remote mountains of Siberia. Now, 40 years after the original machine was delivered, Robbins is returning to the [...]

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News | 4 September 2019

Compact TBM bores longest Rock Tunnel at 2.46 m Diameter

In August 2019, a small diameter Double Shield TBM made a big impact. The 2.46 m (8.07 ft) diameter Robbins machine completed 3,475 m (11,400 ft) of boring with no intermediate access, making it the longest rock tunnel ever bored by a Double Shield TBM un [...]

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In August 2019, a small diameter Double Shield TBM made a big impact. The 2.46 m (8.07 ft) diameter Robbins machine completed 3,475 m (11,400 ft) of boring with no intermediate access, making it the longest rock tunnel ever bored by a Double Shield TBM un [...]

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News | 21 August 2019

Major Milestone for Delaware Aqueduct Repair as Robbins Single Shield Completes Excavation

On Tuesday August 13, a 6.58 m (21.6 ft) Robbins Single Shield TBM completed tunneling at the Delaware Aqueduct Bypass Tunnel, capping a challenging repair to the world's longest tunnel on time and on budget. [...]

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On Tuesday August 13, a 6.58 m (21.6 ft) Robbins Single Shield TBM completed tunneling at the Delaware Aqueduct Bypass Tunnel, capping a challenging repair to the world's longest tunnel on time and on budget. [...]

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