Prestressed reinforced concrete slabs for the railroad

摘要

1. Prestressed concrete slab for railways, comprising a prestressing steel bars of high-strength prestressing wires laid in the longitudinal and transverse directions, and voids for fasteners and slopes for water runoff, characterized in that it further comprises a plane located within from 60 to 80 mm from the bottom surface of the plate, horizontal through channels with a diameter selected in the range of 20 to 40 mm, oriented along a track parallel to each other on the races oyanii from three to seven times the minimum plate thickness from the edge of the plate at a distance, taken within one to two times the minimum plate thickness; Entrance and exit through passages in the ends of the plate is formed with a symmetrical axis of the channels a recess in the concrete in a cylindrical cavity depth and a diameter equal to half the minimum plate thickness, for insertion into the plate end cushioning elastic cylindrical elements, and a portion of plates formed with technological fasteners rectangular cavities for pulling, tension and fastening steel ropes with anchors with subsequent grouting with concrete, the width of the fastening void corresponds to the minimum thickness no plate, and the length is chosen in the range from half to three times the minimum thickness prestressed slab, and the adjacent fastening voids can be displaced relative to each other by a distance not smaller than that between the adjacent through channels. ! 2. The prestressed concrete slab for railways according to claim 1, characterized in that provided in its lower part ribbing oriented perpendi