Experts in special geotechnical works
wsdot This time-lapse video captures the difficult and challenging work to disassemble the world’s largest-diameter tunneling machine. For four months, crews cut, hoisted and trucked … Read more
Acciona Ghella Joint Venture Start of TBM “Anna from Kloppa” at the Follo Line Project (Norway) in November 2016.
Rocscience Inc. The stability of large excavated caverns for underground powerhouses, metro stations and other facilities require careful design as well as precisely sequenced excavation … Read more
Compact shaft sinking technology for all ground conditions. Herrenknecht
MRTMalaysia Two types of TBMs are being used to excavate the tunnel for the MRT Sungai Buloh-Kajang Line. In the portion of the alignment going … Read more
wsdot View from a drone inside the SR 99 tunnel, executed by Bertha. Bertha, also known as Big Bertha, is a 57-foot-diameter (17.4 m) tunnel … Read more
“Video courtesy of CDM/HMM Joint Venture – For engineering enthusiasts and anyone who’s interested in the mechanics of siphon construction, this animation shows exactly how … Read more
Crossrail Project “Crossrail will use eight tunnel boring machines (TBMs) to construct the new tunnels under London. These huge machines will work 24 hours a … Read more
Largest Dams “The Gotthard Base Tunnel (GBT) is a railway tunnel in the heart of the Swiss Alps expected to open in 2016. With a … Read more