Self-resetting ball-entry swinging pier with wings
A self-resetting, pier column technology, applied to bridge parts, bridges, protective devices, etc., can solve the problems of difficult repair of damage and damage in the plastic hinge area of bridge piers, uneconomical increase in cross-sectional area, and difficulty in ensuring ductility, etc., to reduce repair work The quantity and economic cost, the shock absorption effect is remarkable, the effect of reducing the design section and reinforcement
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[0023] The seismic isolation structure of a self-resetting swaying pier column of the present invention under the action of natural disasters such as earthquakes dissipates seismic energy through swaying to achieve the two purposes of "energy dissipation" and "seismic isolation". The structure is mainly used in bridge engineering and river-crossing engineering seismic isolation technology, and can also be used in frame shear wall structures with small height-to-width ratios.
[0024] Such as Figure 1-4 As shown, the present invention is a specific embodiment of a self-resetting structure under the action of natural disasters such as earthquakes. The construction method includes a main girder 1, a bridge pier 2, a cap 3, a semi-protruding spherical pier bottom 5, and a pier wing 6 , rubber pad 7, hollowed hemispherical top 8, shape memory alloy shear bolt 10, oblique section stopper 12.
[0025] For the pier structure that can be self-resetting, the traditional way of connect...
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