BRIDGE ABUTMENT Russian patent published in 1999 - IPC

FIELD: bridge building, applicable for conjugation of bridge to embankment at construction of bridges and overpasses on territories preventing construction of deep piles foundations. SUBSTANCE: the bridge comprises a roller block carrying the bridge framework and resting on a reinforced-ground construction located at an angle to the horizon and built up of layers of compacted draining ground of backfill, interstratifying with reinforcing members, face guard installed at an angle to the vertical, adapter plate, whose one side is located on the case wall of the roller block, and the other through a ground brace - on a rubble pad. The differences consist in the fact the face guard is laid together of wall blocks, having surfaces with ribs and mating slots facing each other in the horizontal plane and fastening the wall blocks, mounted on a foundation whose upper plane is inclined to the horizon at an angle equal to the angle of inclination of the face guard to the vertical and making up 0÷ϕ^o, where ϕ^° - the angle of internal friction of the draining ground of the backfill; the reinforcing members are made in the form of frame grates of longitudinal and lateral bars located at an angle to the horizon and forming on one side fastening seats for the ribs of the wall blocks of the face guard between which they are fastened, and the other side of the frame grates located between the layers of the compacted draining ground of the back-fill is glued around on the two sides with geotextile cloths; a V-shaped rubble pad is formed between the roller block base and reinforced ground pad. EFFECT: enhanced adaptability to manufacture, simplified construction and reduced terms, enhanced reliability, durability and stability. 3 cl, 4 dwg