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Herrenknecht Double Shield Tunnel Boring Machine - Advantages, Principles
A technology brief.
https://www.herrenknecht.com/en/products/productdetail/double-shield-tbm/
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.herrenknecht.com/en/products/productdetail/double-shield-tbm/
Double Shield TBM - Herrenknecht AG
www.herrenknecht.comContinuous tunnelling at maximum speed: the Double Shield TBM combines the functional principles of Gripper TBM and Single Shield TBM.