FIELD: construction.
SUBSTANCE: invention relates to bridge construction, and namely to a removal method of a bridge superstructure using a cable-supported system. The removal method of the bridge superstructure using a cable-supported system involves preliminary construction of an H-pylon on the lower boom in a pedestrian zone of the superstructure like a self-mounted tower crane, which exceeds height of the superstructure; suspension of the superstructure with stay cables and tightening of stay cables, disassembly of some part of abutment piers till the level of the superstructure and installation of a cable-stay launching girder on one side of the superstructure, and installation of a moving-out device on the other side, after that, jacking of the superstructure and its installation on rollers; after that, moving out of the superstructure as a whole to the shore on jigs prepared in advance and further disassembly of the superstructure.
EFFECT: invention allows performing removal without any additional devices, relieving water area as quick as possible, and disassembling the bridge onshore within a shorter period of time without any additional equipment.
6 cl, 6 dwg
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