Support-free self-restoring earthquake-resistant and damping cast-in-place bridge
A self-reset, cast-in-place technology, applied in bridges, bridge construction, bridge parts, etc., can solve problems such as difficulty in ensuring the smooth flow of rescue lifelines, increase in bridge construction costs, and lack of post-earthquake structural performance, so as to reduce maintenance work, avoid The effect of falling beam damage and ensuring smooth flow
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[0034] Refer to the attached drawings for the specific structure of the present invention. For high-intensity seismic fortification areas such as Beijing, in order to meet the seismic requirements of bridges, both ductile seismic design and seismic isolation design are applied, but both have certain limitations. In the seismic mitigation and isolation design system, the displacement of the upper structure is relatively large, and damping or limit devices need to be set accordingly. At the same time, for example, the design service life of laminated steel rubber bearings (ordinary laminated rubber bearings, lead rubber bearings and high-damping rubber bearings) is much lower than the design service life of bridge engineering, which will significantly increase the bridge Construction cost; while the current code based on ductile design of seismic engineering design methods and traditional ductile structural forms can only ensure that the structure does not collapse during the des...
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