List of products by author: M. Lübbers

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  Progress in Small Diameter Tunnelling: Challenges and Technology

  Abstract: Small diameter tunnels are constructed for a large variety of applications. As safety aspects in mechanized tunnelling have gained more and more importance during the recent years, unmanned procedures like pipe jacking have taken over in the smaller diameters. It is nowadays a complementary tunnelling method in the diameter range of up to four meters, formerly covered by segmental lining TBMs....

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