#Herrenknecht’s Direct Pipe method – which combines the advantages of microtunnelling and HDD technology – was used to install a 1,409 m pipeline beneath the Danube River in Serbia.
https://www.trenchlessinternational.com/2019/12/03/direct-pipe-for-successful-breakthrough/
#GermanTBMs #Tunnelling
The Herrenknecht’s Direct Pipe method – which combines the advantages of microtunnelling and HDD tec
cover tunnel photo by: Matt Brown from London, England / CC BY
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