Vertical component reinforcement structure suitable for repairable reinforced concrete structure under large earthquake

Abstract

The invention relates to the technical field of earthquake resistance of building structures, and particularly discloses a vertical component reinforcement structure suitable for repairable reinforced concrete structures under large earthquakes, which comprises a plurality of groups of vertical reinforcements vertically arranged to form a columnar structure, anchoring components arranged at two ends of the vertical reinforcements, and stirrups used for fixing the plurality of groups of vertical reinforcements, the vertical steel bar comprises an upper anchoring section extending into the beam, an upper plastic hinge section connected with the anchoring section, a middle section connected with the upper plastic hinge section, a lower plastic hinge section connected with the middle section, and a lower anchoring section connected with the lower plastic hinge section and extending into the beam or the foundation. According to the method, the steel bars of the concrete structure can still keep elastic under the large earthquake, the rigidity of the component after yield is remarkably improved, the collapse probability and residual deformation of the steel bar structure after the earthquake are remarkably reduced, the repairability of the reinforced concrete structure under the large earthquake is achieved with low economic cost, and the structural toughness of a building under the strong earthquake is improved.

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