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Investigation of the deformability of a real link of the precast concrete-encased steel penstock of the Zagorsk pumped storage station
Authors:O V Mikhailov  S A Berezinskii  O B Lyapin  V V Lgalov  N A Netsvetov
Abstract:
1.  Tests confirmed the reliability of the work of the reinforced concrete-encased steel design of the link of the penstocks of the Zagorsk pumped-storage station in the range of pressures up toP=1.4 MPa. The lining of the link and hoop reinforcement of the inside and outside rows take the tensile load in the elastic stage.
2.  The allowable opening of cracks for reinforced concrete-encased designs of a penstock with an inside sealing lining in the range of pressures up to 1.6 MPa with a width of the cracka c le0.2 mm does not exceed the standard requirements.
3.  The test of a particular link showed that with loading by an internal pressure the lining takes 30%, the reinforcement of the inside row 23%, and the reinforcement of the outside row 47% of the external load.
4.  The tests confirmed the complete correspondence of the work of the link to the design data and earlier investigations carried out in a range of pressures exceeding the operating pressure by 30%.
Deceased.
Keywords:
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