List of products by author: C. Kaiser

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  Brenner Base Tunnel Investigation in exploratory tunnel and support base

  Abstract: During the hard rock TBM drive of the exploratory tunnel in construction lot Tulfes-Pfons H33, difficult rock mass conditions were encountered. In particular in the area of chainage 9.670 fractured rock mass and fault bands led to collapse after boring and overbreaks. The cavity caused by this collapse, named "Iris" was temporarily stabilized, so the TBM could end the drive successfully....

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