Self-resetting bridge pier column structure system with external graded energy dissipation devices and construction method
An energy-consuming device and self-resetting technology, which is applied in the direction of erecting/assembling bridges, bridges, bridge parts, etc., can solve the problems of concrete damage, the ability to consume earthquake energy needs to be improved, and the difficulty of seismic reinforcement work, so as to reduce the repair time , the effect of reducing repair costs
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[0049] Example 2
[0050] This embodiment provides a construction method for a self-resetting bridge pier-column structure system with an external grading energy dissipation device, which is used for processing the self-resetting bridge pier-column structure system with an external grading energy dissipation device described in Embodiment 1, The specific construction steps are as follows:
[0051] S1: The bridge pier 1 and the bridge abutment 4 are constructed by cast-in-place or prefabrication; during pouring, the steel reinforcement holes are reserved in the bridge pier 1 and the bridge abutment 4, and the steel reinforcement holes of the bridge abutment 4 are strictly aligned with the steel reinforcement holes of the bridge pier 1 to ensure no stickiness. The prestressed steel bars 5 pass smoothly along the steel bar channel 5 of the bridge pier 1 and the steel bar channel 5 of the bridge abutment 4 to achieve effective tension; at the same time, the side walls of the bridg...
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