Let us help you select the right machine from our proven designs. But the machine is only the beginning. Whether this is your first time using a TBM or you are part of a seasoned TBM contracting firm, you will benefit from working side by side with the Robbins team.
A tunnel boring machine used to excavate the Gotthard Base Tunnel, the world's longest rail tunnel . A tunnel boring machine that was used at Yucca Mountain nuclear waste repository A tunnel boring machine ( TBM ), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata .
Videos With over 60 years of experience, The Robbins Company is the world's foremost developer and manufacturer of Tunnel Boring Machines and related equipment. See our machines and world-class equipment in action, from Crossover tunneling in Mexico to hard rock excavation in Norway, real utility tunneling experiences with SBUs, and more.
On Saturday, a tunnel boring machine (TBM) so large that it looks like something out of Thunderbirds was dedicated in the city of Seattle. "Bertha," as it's known, is the world's largest TBM and will spend the next 14 months boring a 1.7 mile (2.7 km) tunnel under the city as part of a US$3.1 billion project to replace a viaduct damaged in a ...