Expansion joint for perforation joint stiffening type multidirectional displacement comb plate
A multi-directional shifting and stiffening plate technology, applied to bridge parts, bridges, buildings, etc., can solve the problems of easy to cause traffic accidents, easy deformation of the teeth of the tooth plate, and poor leveling effect, so as to increase the service life and tightness Improve the solid quality, improve the firmness of the overall structure, reduce deformation and damage
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[0025] Such as Figure 1-Figure 2 As shown, a straddle-stiffened multi-directional displacement comb plate expansion joint of the present invention includes a main tooth plate 1 and an auxiliary tooth plate 2. The main tooth plate 1 is installed on the first bridge beam body, and the auxiliary tooth plate 2 Installed on the second bridge girder body, the comb teeth of the main tooth plate 1 and the auxiliary tooth plate 2 cross each other with gaps, and are located above the gap between the first bridge girder body and the second bridge girder body. A plurality of first stiffening plates 3 are respectively fixed at the bottom of the tooth plate 2, and each first stiffening plate 3 is set across the position of each comb tooth of the main tooth plate 1 and the auxiliary tooth plate 2, and is located in the main tooth plate 1. A second stiffening plate 4 is inserted and fixed between each first stiffening plate 3 at the bottom of the auxiliary tooth plate 2; one end of each first...
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