FIELD: construction.
SUBSTANCE: method to expand a bridge clearance using a cable-stayed system, in process of which a split span is changed into a non-split span, is characterised by the fact that additional elements are installed, namely, traction rods, metal plates, then pylons with cable stays are installed. Traction rods are installed between adjacent beams of the split span and are fixed, then metal plates are installed in areas of connection of adjacent beams and a support crossbar, and they are combined with adjacent beams and crossbars of supports by means of an anchor joint. Then pylons are erected at both sides of the span, with a support against the area of ground under the bridge, afterwards cable stays are installed and tightened, and supports are dismantled.
EFFECT: increased reliability.
6 cl, 5 dwg
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