FIELD: hydraulic engineering. SUBSTANCE: this can be used in erection of dam from ground materials. Dam has body 2, and upper part of dam body represents damper 3 which is made up of separate massive blocks 4,5,6 which are inserted one into another. These blocks create dynamic damper of oscillations of large mass, thus preventing occurrence of most unfavorable resonance oscillations in operating modes of structure. EFFECT: higher efficiency. 3 dwg
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