New and old bridge splicing seam structure system and construction method
A technology of splicing joints and systems, applied in bridges, bridge parts, bridge construction, etc., can solve the problems of bridge deck height difference, hindering vehicle wheels from changing lanes, damage, etc., to achieve excellent water discharge performance, increase friction coefficient, and avoid slippage Effect
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[0021] The present invention will be further described below in conjunction with the accompanying drawings.
[0022] Such as figure 1 As shown, a kind of joint structure system of new and old bridges proposed by the present invention mainly includes new and old bridge decks, joint components, asphalt concrete surface course and reinforced concrete pavement, and the joint components include arched Porous steel plate connectors, and the middle part is pre-embedded in a rectangular polyurea elastomer, the upper surface is sprayed with a polyurea wear-resistant layer, and the porous steel plates on both sides are exposed. The porous steel plates on both sides of the splicing joint are welded to the extended steel bars of the bridge deck of the old and new bridges, and the micro-expansion steel fiber rapid-hardening sulfoaluminate cement concrete is poured on the welded joints, and finally the bridge deck asphalt concrete is paved together with the bridge deck of the old and new br...
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