Numerical Simulation Study on the Mechanical Properties and Structural Seismic Response Control Characteristics of Double-Stage-Yield Annular Steel Plate Shear Dampers

HE Kaixuan; LI Aiqun; YANG Cantian

doi:10.13204/j.gyjzG23051114

Volume 53 Issue 9

Sep. 2023

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HE Kaixuan, LI Aiqun, YANG Cantian. Numerical Simulation Study on the Mechanical Properties and Structural Seismic Response Control Characteristics of Double-Stage-Yield Annular Steel Plate Shear Dampers[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(9): 104-110. doi: 10.13204/j.gyjzG23051114

Citation:

HE Kaixuan, LI Aiqun, YANG Cantian. Numerical Simulation Study on the Mechanical Properties and Structural Seismic Response Control Characteristics of Double-Stage-Yield Annular Steel Plate Shear Dampers[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(9): 104-110. doi: 10.13204/j.gyjzG23051114

Citation:

HE Kaixuan, LI Aiqun, YANG Cantian. Numerical Simulation Study on the Mechanical Properties and Structural Seismic Response Control Characteristics of Double-Stage-Yield Annular Steel Plate Shear Dampers[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(9): 104-110. doi: 10.13204/j.gyjzG23051114

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Numerical Simulation Study on the Mechanical Properties and Structural Seismic Response Control Characteristics of Double-Stage-Yield Annular Steel Plate Shear Dampers

doi: 10.13204/j.gyjzG23051114

HE Kaixuan¹,
LI Aiqun^{1,2
,
,},
YANG Cantian¹

1. School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China;
2. School of Civil Engineering, Southeast University, Nanjing 210096, China

Received Date: 2023-05-11
Available Online: 2023-11-08

Abstract

Abstract

A new type of double-stage-yield annular steel plate shear damper, DASPSD, was proposed, which is mainly composed of two connecting plates, an inner circular metal damper, and an outer circular metal damper. The inner and outer dampers are equipped with corresponding connectors. The damper has double-stage working mechanism and double-stage-yield energy dissipation characteristics, which is beneficial for mitigating the inter-story deformation concentration effect of frame structures. Firstly, refined numerical simulations were conducted on DASPSD with different parameters to validate the double-stage working mechanism and the double-stage-yield characteristics of the damper. The influence of key design parameters on the mechanical performance of DASPSD was revealed. Secondly, based on nonlinear time history analysis, the superiority of DASPSD in controlling the maximum inter-story drift ratio and the drift concentration effect compared to traditional single-stage U-shaped dampers was clarified.
- double-stage-yield annular steel plate shear damper,
- seismic performance,
- numerical simulation,
- dynamic time-history analysis

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References(22)

References

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