WATER PASSING STRUCTURE Russian patent published in 2002 - IPC

FIELD: outfit of roads. SUBSTANCE: the water passing structure has a foundation, side walls, bottom part, slab covering block, soil filling, inlet and outlet pieces of the gabions. Each side wall is formed at least of one row of gabions or "Reno" blankets and a foundation in the form of a monolithic grillage located on it. The grillage is interconnected with the piles passing inside the gabions or blankets of each side wall. The gabions or blankets of each side wall are interconnected with the gabions of the inlet and outlet pieces. The slab covering block is made in the form of a vault, and the bottom part is formed by the "Reno" blankets or quarry-stone. Each side wall is formed of a single row of the "Reno" blankets and at least of a single row of gabions and a monolithic grillage successively installed on it. The vault is made of separate thin-walled reinforced-concrete arches representing a part of circumference. The water passing structure may be widely used at an outfit of motor roads at crossing of small streams at low earth-embankments. EFFECT: reduced labor content of construction, enhanced water crossing capacity at low earth-embankments. 3 cl, 3 dwg