Stiffened joint-crossing plate based bridge deck jointless expansion device and construction method thereof
A technology of telescopic device and seam-spanning plate, which is applied in the direction of bridges, bridge parts, bridge construction, etc., can solve the problems of increased impact of heavy vehicles, application limitations, and service life impact, etc. It is easy to guarantee the processing accuracy and low construction cost , the effect of simple structure
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[0074] Such as figure 1 , figure 2 A seamless expansion device for bridge decks based on stiffening cross-joint panels is shown, comprising a prefabricated expansion assembly and an expansion joint filler layer 3 filled above the prefabricated expansion assembly, and the prefabricated expansion assembly is arranged in the construction The main girder of the bridge is placed on the expansion joints between the two adjacent beam sections 11 before and after; the main girder of the constructed bridge is divided into multiple beam sections 11 from front to back by the expansion joints. The section 11 is arranged from front to back along the longitudinal bridge direction, and each beam section 11 is covered with a bridge deck paving structure; between the two adjacent beam sections 11 before and after the bridge deck paving structure A reserved installation groove for the installation of the prefabricated telescopic assembly is formed, and the longitudinal bridge length of the reser...
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