The experiment and simulate study of buckling restrained L-shape superimposed steel damper
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TU391;TU398+.9

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    Abstract:

    Applying the seismic energy dissipating damper in the self-centering structure can reduce the damage of the beam and column caused by the earthquake. The structure can be quickly restored by replacing the damaged dampers. We propose a new buckling restrained L-shape superimposed steel damper connecting with high-strength bolts which can dissipate the most seismic energy through the steel plate. The proposed damper can avoid the buckling of the steel plate through the additional restraining devices, and easily be replaced after earthquake. The flange of the beam end can be reinforced by the new damper, which also can be regarded as a shear transfer device. The consequences of the axial tension and compression test and ABAQUS simulation indicate that the proposed buckling restrained L-shape superimposed steel damper has essential capabilities of energy dissipation and good bearing and stiffness with the sufficient connecting strength.

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杨熠明,杨溥,舒媛,李英民,冯力强,张孝斌.屈曲约束折形叠合耗能器试验和模拟分析[J].重庆大学学报,2021,44(7):129~138

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History
  • Received:December 19,2020
  • Online: July 28,2021
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