FIELD: highway engineering; construction of water-ways on automobile rods. SUBSTANCE: water-way structure includes chute laid on preset slope. Water-way structure is additionally provided with transversal ridges and tooth-shaped projecting platforms which are used as bases for transversal ridges. Walls of chute have recesses immediately before transversal ridges; level of adjacent upper tooth-shaped projecting platform is higher than point of adjoining next transversal ridge located lower on slope. Dynamics ensures jet directivity of water flow and protection of structure when it cannot pass rated flow of water. EFFECT: enhanced reliability and durability. 5 dwg
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