Numerical modeling of the stress state around the Enguri power tunnel

Thomas Niederhuber , Birgit Müller , Thomas Röckel, Mirian Kalabegishvili & Frank Schilling
The Enguri Dam in NW Georgia is one of the highest arch dams in the world. The 15 km power tunnel was initially flooded in 1978. During the rehabilitation project from January - April 2021, an 40 m long open construction-joint was observed. The construction-joints are located on both sides in the lower third of the tunnel, but only the construction-joint on the valley side showed an opening character. The research question of the paper...
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