Bridge expansion joint structure
A technology of expansion joints and bridges, applied in bridges, bridge parts, bridge construction, etc., can solve the problems of easy fracture of section steel, large amount of expansion, and low rigidity, so as to improve driving comfort, reduce impact, and buffer impact load Effect
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[0023] See figure 1 In this embodiment, the structural form of the bridge expansion joint is: for the expansion joint between the adjacent section beams 1, the top plane of the expansion plate 5 arranged in the expansion joint is lower than the height of the bridge deck to form a concave platform, A replaceable paving layer 3 is set on the concave platform, and the top surface of the paving layer 3 is level with the bridge deck. The reserved gap between the paving layer 3 and the bridge deck is filled with foam caulking material 8 , Foam joint filler 8 is light in weight, high in specific strength, can absorb impact load, has good heat insulation and sealing performance; a support structure is provided at the bottom of the expansion plate 5, and the support structure is to erect an arch between the beams 1 on both sides of the expansion joint The supporting body 7 is provided with supporting rods 2 on the arched supporting body 7. The telescopic plate 5 is jointly supported by t...
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