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February 2024

Challenging Ring Convergence Measurement

Due to the special drainage requirement of the Ibbenbühren Mine Dewatering Tunnel (OD 4.7m) in the North of Germany, pea gravel instead of the usual cementitious grout is used to fill the annulus gap between the ring structure and the natural ground. (more…)

January 2024

AI in Action

“We have to bring the knowledge to the systems to support the younger generation,”… (more…)

August 2023

Silvertown Tunnel in London

On July 23, TBM Jill completed the northbound tunnel of the new 1.4 km twin-bore road tunnel Silvertown under the River Thames in East London. Our warmest congratulations to the contractor Riverlinx CJV!
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