Next Generation of Hybrid TBMs for Mixed Ground

The use of hybrid TBMs in a mixed and unpredictable underground environment is increasing. This report concentrates on the advances achieved by hybrid TBMs, focusing on what is likely the most common type: A cross between a hard rock single shield TBM and an EPB.

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Issue 2013-03

Next Generation of Hybrid TBMs for Mixed Ground

In a mixed and unpredictable underground environment the increasing use of hybrid TBMs is one that goes with the territory. Where multiple machine types might have once been used for different...

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Issue 2021-02 China

China’s Largest Robbins Crossover TBM Launches on Pearl River Delta Intercity Railway

The largest ever Robbins Crossover (XRE) TBM in China launched in late March 2021 in Guangzhou for contractors Sichuan Jinshi Heavy Equipment Leasing Co., Ltd and CREC Bureau 2. The 9.16 m diameter...

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Issue 2021-01 Sweden/Germany

Sandvik to Acquire DSI Underground

In late 2020, Sandvik has signed an agreement to acquire DSI Underground, the global leader in ground support and reinforcement products, systems and solutions for the underground mining and tunneling...

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Issue 2011-02 Switzerland

Breakthrough at Weinberg Tunnel in Zurich

The Weinberg Tunnel in Zurich, part of Swiss Federal Railways’ “Diameter Line Project”, was successfully broken through on 22nd November 2010. After boring a total of 4,382 m the convertible TBM...

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Sweden/Germany

Sandvik to Acquire DSI Underground

“This acquisition is an important step in our growth ambition. DSI Underground’s track record of driving progress and safety in underground operations and its global reach will further strengthen...

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