FIELD: construction.
SUBSTANCE: flow energy dissipator includes dissipating basin which walls have artificial roughness in the form of semicylindrical gabions. Semicylindrical gabions are laid on anti-suffusion device and have transversal orientation towards water flow direction. Scarp of dissipating basin has concave surface, which generatix is made with step-by-step increase in angular deflection as described by equation 
where H is the depth of dissipating basin; α is final angle of deflection of tangent line towards generatix curve, α<90°; x is x-coordinate of generatix curve in Cartesian coordinates.
EFFECT: improvement of dissipating efficiency in excessive water flow energy.
4 dwg
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