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Keywords: concrete structure
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Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-037
... ABSTRACT Bemposta repowering scheme, currently under construction, includes the excavation of a 60 meters deep and 22 meters in diameter powerhouse shaft. The support system installed during excavations allowed erecting the concrete structure at the upper half of the shaft independently...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-169
... the calotte and bottom excavations. The total length of the work queue under standard conditions was 75 m. tunnel tube hazardous passage excavation building deformation condition 2 construction materials rock massif Mrazovka tunnel concrete structure displacement tunnel chapel deformation...
Proceedings Papers

Paper presented at the 6th ISRM Congress, August 30–September 3, 1987
Paper Number: ISRM-6CONGRESS-1987-002
... of 2 000 m (Figure 1). The flow through the rock foundation at the concrete structures is mainly affected by the contact of basaltic flows A and B. This contact is continuous with a large oppening (milimetric to centimetric, with an average value of 0,50 cm) practically without any fill material...

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