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21. April 2021

Journal Geomechanics and Tunnelling 2/21 published

Cover picture:

geomechanics_and_tunnelling_2-2021_coverFrom the excavation pit of the future Sydney Metro Pitt Street station, a connecting tunnel had to be constructed underneath a busy road. To secure the station box wall, the AT – Pipe Umbrella System was used, which was installed at a 19° downwards. In close cooperation with the drilling equipment specialist Robodrill, DSI Underground has developed a successful concept for the installation of the AT – Pipe Umbrella System consisting of 60 individual pipes with a length of 18 meters each. For this project, DSI Underground’s pro­prietary squeezed connection for pipe umbrella pipes has been used as a replacement for a conventio nal threaded connection. (photo: DSI Underground)

Table of Contents Journal Geomechanics and Tunnelling 2/2021

  • Description of rock mass as subsoil for dams and hydropower plants
  • Exceptional tasks for grounting technology in power plant construction
  • Safety aspects of a water reservoir influenced by a creep like landslide
  • HPP Kirchbichl in Tyrol – Challenges to the construction pit
  • Rodundwerk I – Concept and realization of the new pressure shaft
  • Lower Kaleköy Dam – A tailor made composite dam structure

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