Analysis on Seismic Performance Factors of Self-centering Energy Dissipation Rocking Frame

何晴光; 王鹤

doi:10.13409/j.cnki.jdpme.2019.02.014

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Analysis on Seismic Performance Factors of Self-centering Energy Dissipation Rocking Frame

更新时间：2025-12-11

- Analysis on Seismic Performance Factors of Self-centering Energy Dissipation Rocking Frame
- Vol. 39, Issue 2, Pages: 290-300(2019)
- 作者机构：
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- DOI：10.13409/j.cnki.jdpme.2019.02.014
  CLC： U352.11
- Published：2019
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[1]何晴光,王鹤.自复位耗能摇摆框架的抗震性能参数分析[J].防灾减灾工程学报,2019,39(02):290-300.

何晴光, 王鹤. Analysis on Seismic Performance Factors of Self-centering Energy Dissipation Rocking Frame[J]. 2019, 39(2): 290-300.
[1]何晴光,王鹤.自复位耗能摇摆框架的抗震性能参数分析[J].防灾减灾工程学报,2019,39(02):290-300. DOI： 10.13409/j.cnki.jdpme.2019.02.014.

何晴光, 王鹤. Analysis on Seismic Performance Factors of Self-centering Energy Dissipation Rocking Frame[J]. 2019, 39(2): 290-300. DOI： 10.13409/j.cnki.jdpme.2019.02.014.

摘要

自复位耗能摇摆框架结构是在原RC框架结构基础上用自复位耗能摇摆柱（SCEDRC）对其中的普通柱进行改造而来。利用OpenSees有限元软件建立各结构的有限元模型

并进行动力弹塑性分析。对比了自复位耗能摇摆框架结构与RC框架结构的抗震性能;考察了自复位耗能支撑（SCEDB）安装角度、设计参数及SCEDRC位置等变化对结构抗震性能的影响。结果表明:自复位耗能摇摆框架结构的抗震性能优于RC框架结构

可实现改善结构变形模式、减小损伤和残余变形的目标。各参数变化对结构性能影响显著

SCEDB安装角度为30°～40°时

结构抗震性能最佳;增大SCEDB的第一刚度K1、第二刚度K2、初始预拉力P0和摩擦力F

均有利于提升结构的抗震性能;当SCEDRC布置为结构的中柱时

对提升整体抗震性能最为有利。

Abstract

Self-centering energy dissipation rocking frame is reconstructed from the initial RC frame by replacing the common column with the self-centering energy dissipation rocking column（SCEDRC）.The finite element model of each structure was established by finite element software OpenSees and dynamic elasto-plastic time history analysis was conducted in this paper.The seismic performance of the self-centering energy dissipating rocking frame was compared with that of the RC frame.The impact of installation angles

design parameters and positions on the seismic performance of the self-centering energy dissipation brace（SCEDB）were investigated.The results show that the seismic performance of the self-centering energy dissipation rocking frame is better than that of the RC frame.It aims to improve the deformation mode and reduce the damage and residual deformation of the structure.The variation of parameters has remarkable influence on the structural performance.When the SCEDB installation angle ranges from 30 degree to 40 degree

the seismic performance of the structure is the best.Increasing the first stiffness K1

second stiffness K2

initial pre-tensile stress P0 and friction force Fof SCEDB is beneficial to the seismic performance of the structure.When SCEDRC serves as the middle column

the overall seismic performance of the structure is the best.

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references

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