Check out this video of the 3.35 m diameter #Robbins Main Beam TBM for the Lower Meramec Phase 2 Tunnel in St. Louis, MO, USA. The machine features 360-degree probe drilling capabilities & is designed to bore in shale and limestone at depths up to 286 ft (87 m). #tunnelingrocks

The second of two #Robbins 6.65 m diameter EPBs is now boring after a site acceptance ceremony at Agra Metro in India. The machine will join a first TBM boring a parallel 1.3 km long tunnel in soft soils for contractor SAM India and owner Uttar Pradesh Metro Rail Corporation Ltd.

#Robbins TBMs are on the move on #India’s metro tunnels. Check out our latest factory acceptance video of our second of two 6.65 m diameter EPB TBMs for Delhi metro. The two EPBs are boring parallel 3 km long tunnels in mixed ground consisting of rock, gravel, silt and clay.

Missed our technical presentations at WTC and RETC? Never fear, our papers are now available on our website! From enhanced probe drilling to record-setting bores below Lake Ontario, we cover a variety of subjects. Check out our technical papers here: robbinstbm.com/news-and-media…

Tunneling is well underway at the Lower Meramec Tunnel in St. Louis, Missouri, USA and while the 3.35 m diameter #Robbins Main Beam TBM is around 55 m below the surface, it’s getting some good air time. Check out this article from @St. Louis Post-Dispatch: bit.ly/46E6MBX

Want to read up on the tough #Robbins TBM that bored more than 18 km in some of the hardest rock ever encountered in Turkey? Learn more in our latest press release: robbinstbm.com/bahce-nurdagi-…

Want to know how a #Robbins TBM bored the length equivalent of nearly 25 Olympic-sized swimming pools in one month? Read on to find out more about the amazing tunneling being done at Nepal’s Sunkoshi Marin Diversion Multipurpose Project: robbinstbm.com/sunkoshi-recor…