The Robbins Company

Team of Robbins EPBs rallies at Nanjing Metro

May 8, 2012

Nearly 750,000 people currently ride the rails daily on two existing metro lines in Nanjing, Jiangsu Province, China. That number is slated to dramatically increase with the construction of several new metro lines utilizing 40 TBMs, including four custom-engineered Robbins EPBs. Learn More

Giant Robbins EPB emerges Triumphant in Mexico City

April 16, 2012

Mexico’s largest TBM, a 10.2 m (33.5 ft) diameter Robbins EPB, completed its successful tunneling run on March 1, 2012.  The machine, for a consortium of ICA, Carso, and Alstom, excavated 7.7 km (4.8 mi) of tunnel in highly variable ground including watery clays, cobbles, and large boulders.  The new metro Line 12 will be [...] Learn More

Robbins Double Shield achieves Powerful Progress in Sochi

March 22, 2012

On February 14, 2012, the final of two Robbins Double Shield TBMs crossed the finish line in Sochi, Russia. The machine wrapped up tunneling at Complex 3, part of a massive transportation upgrade of road and rail routes for the city’s 2014 Winter Olympic Games. Learn More

Novel Shotcrete shortens Schedule for three Robbins TBMs

March 20, 2012

Three 5.23 m (17.2 ft) diameter Robbins Main Beam machines are excavating Southeast Asia’s longest tunnel using a novel type of shotcrete for primary ground support under high cover. Learn More

Robbins Rockhead burrows below Nashville

March 4, 2012

Nashville, Tennessee’s Powell Avenue 36-inch (900 mm) Water Main recently became operational in February 2012—a feat achieved by tunneling below one of the largest rail yards in America. Two tunnels measuring 500 and 900 ft (150 and 275 m) in length were excavated using a Robbins Double Shield Rockhead (SBU-RHDS). Learn More

Robbins Opens New Subsidiary in South America

January 17, 2012

A new Robbins office is now operating in Santiago, Chile to support the local tunneling market and grow our business in the region. Robbins South America is led by Managing Director, Rolando Justa with support from Project Coordinator, Esther Zerrer. “South America is one of the most promising future markets with many upcoming projects, strong [...] Learn More

High-Altitude hole through for Landmark Robbins TBM

January 10, 2012

After four years of extreme excavation through high cover and volcanic rock conditions, TBM tunneling at the Olmos Trans-Andean tunnel is complete. The 5.3 m (17.4 ft) diameter Robbins Main Beam machine broke through to fanfare and an elaborate ceremony on December 20, 2011. Learn More

Robbins EPBs bore Final Meters in Zhengzhou

December 15, 2011

Two 6.3 m (20.7 ft) Robbins TBMs have excavated up to 720 m (2,362 ft) in one month in Zhengzhou, China. The swift machines boring the Metro Line 1 holed through in October and November 2011—at least two weeks ahead of schedule. Learn More

Record-breaking Rockhead flies through Fifth Tunnel

December 1, 2011

On September 22, 2011, a self-propelled tunneling machine achieved a milestone in Cincinnati, Ohio, USA. The 1.8 m (72 inch) diameter Robbins Double Shield Rockhead bored 614 m (2,014 ft)—a distance that appears to be a world record for a hard rock machine of this diameter. Learn More

Robbins EPB roars to life in Azerbaijan

October 18, 2011

On August 22, 2011, construction of Baku, Azerbaijan’s third metro line got a jump start with the launch of a 6.3 m (20.7 ft) diameter Robbins EPB. The metro tunnel will alleviate severe traffic congestion in downtown area’s of the capital city. Learn More