Self-resetting prefabricated concrete beam-column joint device capable of replacing top-bottom frictional energy consuming device
A technology of prefabricated concrete and frictional energy dissipator, which is applied in the direction of building components, earthquake resistance, building types, etc., can solve the problems of energy dissipation capacity and node stiffness reduction, achieve the effects of small residual displacement, reduce economic loss, and improve node stiffness
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[0036] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0037] Such as figure 1 As shown, in the self-resetting prefabricated concrete beam-column node device of the replaceable top and bottom frictional energy dissipator of the present invention, the main component includes a precast concrete column 1, a precast concrete beam 2, and the connecting member includes friction loss of the same upper and lower structure of the node. Energy devices and prestressed tendons 11 that provide self-centering forces for nodes. Under earthquake action, the unbonded prestressed steel bar 11 in the self-centering precast concrete beam-column joint can provide self-centering force to eliminate the residual deformation of the joint, and the friction energy dissipator arranged at the beam-column joint can consume a large amount of seismic energy , to avoid obvious plastic deformation of the main structural compone...
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