A veteran Main Beam Machine is boring Maryland’s 0.9 mi (1.5 km) long Ellicott City North Tunnel, a major flood mitigation project designed to protect the historic town from future flash floods. In this paper, the authors detail the rebuild process used [...]
A veteran Main Beam Machine is boring Maryland’s 0.9 mi (1.5 km) long Ellicott City North Tunnel, a major flood mitigation project designed to protect the historic town from future flash floods. In this paper, the authors detail the rebuild process used [...]
A 5.6 m (18.4 ft) diameter Robbins TBM is set to excavate the 1.5 km (0.9 mi) long Ellicott City North Tunnel, a critical flood mitigation project in Howard County, Maryland, USA. [...]
A 5.6 m (18.4 ft) diameter Robbins TBM is set to excavate the 1.5 km (0.9 mi) long Ellicott City North Tunnel, a critical flood mitigation project in Howard County, Maryland, USA. [...]
A mega-sized 13.67 m (44.87 ft) diameter Robbins Slurry machine broke through in Hiroshima, marking the completion of an excavation through challenging granitic rock at high water pressures. [...]
A mega-sized 13.67 m (44.87 ft) diameter Robbins Slurry machine broke through in Hiroshima, marking the completion of an excavation through challenging granitic rock at high water pressures. [...]
Robbins proudly announces the successful breakthrough of two 6.65 m diameter Earth Pressure Balance (EPB) TBMs on India’s Delhi Metro Phase IV DC‑07 package. [...]
Robbins proudly announces the successful breakthrough of two 6.65 m diameter Earth Pressure Balance (EPB) TBMs on India’s Delhi Metro Phase IV DC‑07 package. [...]
Learn more about the Sunkoshi Marin Diversion Multipurpose Project (SMDMP) in this in-depth video featuring a record-setting Robbins Double Shield TBM. Find out how the crew were able to bore through mountainous geology at an impressive 1,503.3 m in one [...]
Learn more about the Sunkoshi Marin Diversion Multipurpose Project (SMDMP) in this in-depth video featuring a record-setting Robbins Double Shield TBM. Find out how the crew were able to bore through mountainous geology at an impressive 1,503.3 m in one [...]
A 5.6 m (18.4 ft) diameter Robbins TBM is set to excavate the 1.5 km (0.9 mi) long Ellicott City North Tunnel, a critical flood mitigation project in Howard County, Maryland, USA. [...]
A 5.6 m (18.4 ft) diameter Robbins TBM is set to excavate the 1.5 km (0.9 mi) long Ellicott City North Tunnel, a critical flood mitigation project in Howard County, Maryland, USA.
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A mega-sized 13.67 m (44.87 ft) diameter Robbins Slurry machine broke through in Hiroshima, marking the completion of an excavation through challenging granitic rock at high water pressures. [...]
Robbins proudly announces the successful breakthrough of two 6.65 m diameter Earth Pressure Balance (EPB) TBMs on India’s Delhi Metro Phase IV DC‑07 package. [...]
A mega-sized 13.67 m (44.87 ft) diameter Robbins Slurry machine broke through in Hiroshima, marking the completion of an excavation through challenging granitic rock at high water pressures.
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In June 2023, a resilient 8.0 m diameter Robbins Single Shield completed its second tunnel at Turkey’s Bahçe-Nurdaği Railway. The machine completed 9.6 km of tunneling, adding on to the 9.2 km it completed in its initial railway tunnel in 2020. [...]
In June 2023, a resilient 8.0 m diameter Robbins Single Shield completed its second tunnel at Turkey’s Bahçe-Nurdaği Railway. The machine completed 9.6 km of tunneling, adding on to the 9.2 km it completed in its initial railway tunnel in 2020.
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China Overseas Engineering Group Co. Ltd and China Railway No. 2 Engineering Group Co Ltd celebrated the launch of a 6.4 m diameter Robbins Double Shield TBM. [...]
On July 25, 2022, a crowd gathered as a large Robbins Main Beam TBM, dubbed ‘Big Tex’, broke through in Dallas, Texas, USA. The machine and its continuous conveyor system, for the Mill Creek Drainage Relief Tunnel, successfully bored 8 km (5 mi) in chalk and shale at up to 498 m (1,634 ft) advance in one month. [...]
China Overseas Engineering Group Co. Ltd and China Railway No. 2 Engineering Group Co Ltd celebrated the launch of a 6.4 m diameter Robbins Double Shield TBM.
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The Robbins Crossover TBM set multiple records prior to its October 2021 breakthrough, including a best day of 32.4 m (106 ft), a best week of 178.2 m (584.6 ft), and a best month of 721.8 m (2,368 ft), making it the fastest TBM over 13 m (43 ft) in diameter. [...]
Robbins’ latest innovation is making good headway on a non-circular tunnel excavation in hard rock. The rectangular TBM, known as the MDM5000 (standing for Mine Development Machine with dimensions of 5.0 m x 4.5 m) is capable of excavating a flat tunnel invert for immediate use by rubber-tired vehicles. [...]
The Robbins Crossover TBM set multiple records prior to its October 2021 breakthrough, including a best day of 32.4 m (106 ft), a best week of 178.2 m (584.6 ft), and a best month of 721.8 m (2,368 ft), making it the fastest TBM over 13 m (43 ft) in diameter.
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A 6.7 m (22 ft) diameter Robbins Main Beam TBM and conveyor system broke through on September 22, 2020, giving the crew much to celebrate: They had overcome overstress in the crown that resulted in significant rock fallout in seven different areas, as well as methane gas in the tunnel. [...]
On July 24, 2020, a jubilant ceremony marked a milestone for southern Turkey’s arduous Bahçe-Nurdaği High-Speed Railway Tunnel. The first TBM-driven portion of tunneling using an 8.0 m (26.2 ft) diameter Robbins Single Shield machine is now complete. [...]
A 6.7 m (22 ft) diameter Robbins Main Beam TBM and conveyor system broke through on September 22, 2020, giving the crew much to celebrate: They had overcome overstress in the crown that resulted in significant rock fallout in seven different areas, as well as methane gas in the tunnel.
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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 role. [...]
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 under 2.5 m (8.2 ft) in diameter. [...]
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 role.
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On October 4, 2018, onlookers watched as a 3.8 m (12.5 ft) diameter Robbins Main Beam TBM completed its epic journey. The TBM, christened “Driller Mike”, after local rapper and activist “Killer Mike”, overcame extremely hard rock conditions along a curving 8.0 km (5.0 mi) tunnel to bolster the city of Atlanta, Georgia, USA’s water supply. [...]
On August 29, 2018, a 9.26 m (30.4 ft) diameter Robbins Crossover (XRE) TBM broke through at the Akron Ohio Canal Interceptor Tunnel (OCIT). [...]
On October 4, 2018, onlookers watched as a 3.8 m (12.5 ft) diameter Robbins Main Beam TBM completed its epic journey. The TBM, christened “Driller Mike”, after local rapper and activist “Killer Mike”, overcame extremely hard rock conditions along a curving 8.0 km (5.0 mi) tunnel to bolster the city of Atlanta, Georgia, USA’s water supply.
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On Tuesday, October 31, 2017, a 6.65 m (21.8 ft) diameter Robbins EPB TBM broke through at Chennai Metro, making this the third tunnel the machine has bored for the project and for contractor Afcons Infrastructure Ltd. The robust machine achieved good advance rates in mixed ground of 80 mm (3 in) per minute. [...]
The first of two Slurry TBMs, a rebuilt 6.65 m (21.8 ft) diameter machine, passed its factory acceptance on September 4, 2017 in Singapore. The machine, fitted with a Robbins cutterhead and outer shields, is destined for the Mumbai Metro Line 3 under contract UGC03 for the Dogus-Soma JV (DSJV), and will begin excavation in late 2017. [...]
On Tuesday, October 31, 2017, a 6.65 m (21.8 ft) diameter Robbins EPB TBM broke through at Chennai Metro, making this the third tunnel the machine has bored for the project and for contractor Afcons Infrastructure Ltd. The robust machine achieved good advance rates in mixed ground of 80 mm (3 in) per minute.
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The 7.2 m (23.6 ft) diameter Robbins Main Beam machine had traversed incredibly hard rock, water inflows, and more to become the first TBM in Norway to break through in 23 years. [...]
On July 22, 2015, a 3.5 m (11.5 ft) Robbins Main Beam TBM began a new chapter in its storied 32-year career. Originally built for the Terror Lake project in Alaska, the veteran machine has been used all over the world, most recently in Hong Kong. Including its new 6.3 km (4.0 mi) long tunnel for the Mid-Halton Outfall in Ontario, Canada, the machine will have bored nearly 30 km (18.6 mi) of tunnels since 1983. [...]
The 7.2 m (23.6 ft) diameter Robbins Main Beam machine had traversed incredibly hard rock, water inflows, and more to become the first TBM in Norway to break through in 23 years.
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