The results of the tests are presented on the choice of components of the supports and protective measures, and their use on a commercial scale in hydrotechnical workings driven under difficult geological and mining conditions during construction of hydro-electric power plant "Beskid". In addition, the results of the tests are given on the choice of long bolts of reinforced concrete, pre-tensioned prestressed concrete and post-tensioned prestressed concrete /up to 15 m/ to protect the rooms of very large overall dimensions. The problems connected with investigation of rock mass and with lining of the chamber of power plant are presented.
Tests on the Protection of Underground Hydrotechnical Workings Under Conditions of the Carpathian Flysch
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Rulka, Kazimierz , Mazur, Józef, and Daniel Fudalej. "Tests on the Protection of Underground Hydrotechnical Workings Under Conditions of the Carpathian Flysch." Paper presented at the ISRM International Symposium, Katowice, Poland, October 1973.
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