不同耗能比自复位装置对装配式钢框架体系抗震性能影响研究

姜子钦; 韩伟; 张礼恪; 张文莹; 王伟

doi:10.3724/j.gyjzG25032403

不同耗能比自复位装置对装配式钢框架体系抗震性能影响研究

doi: 10.3724/j.gyjzG25032403

1. 北京工业大学建筑工程学院, 北京 100124;
2. 北京工业大学北京市高层和大跨度预应力钢结构工程技术研究中心, 北京 100124;
3. 同济大学土木工程防灾减灾全国重点实验室, 上海 200092

基金项目:

国家自然科学基金项目（52578153，52622803）。

详细信息

作者简介:
姜子钦，教授，博士生导师，主要从事装配式钢结构方面的研究。电子信箱：jzqbj2010@163.com

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出版历程
- 收稿日期: 2025-03-24
- 网络出版日期: 2026-11-07

Research on the Influence of Self-Centering Devices with Different Energy Dissipation Ratios on the Seismic Performance of Prefabricated Steel Frame Systems

1. College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China;
2. Beijing Engineering Research Center of High-Rise and Large-Span Prestressed Steel Structure, Beijing University of Technology, Beijing 100124, China;
3. State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China

摘要

摘要: 自复位结构震后几乎无需修缮即可快速恢复结构功能，符合可恢复功能的抗震理念。将自复位预应力装配式钢梁柱节点（SPPSJs）和自复位预应力钢柱脚（SPSCBs）应用于钢框架而形成装配式自复位钢框架体系（SCSF），以SCSF为研究对象，重点研究自复位装置的耗能比对钢框架体系抗震性能的影响。采用OpenSEES建立了SPPSJ和SPSCB的简化有限元模型，验证了其精度。设计一个6层钢框架，分析了不同耗能比的SPPSJ和SPSCB对SCSF地震响应的影响。结果表明：SCSF相比刚接钢框架显著降低残余位移（最高降低93.74%），但震后加速度增大；增加SPPSJ和SPSCB的耗能比可有效降低SCSF的顶层峰值位移、顶层残余位移、顶层峰值速度、顶层峰值加速度、最大层间位移角和残余层间位移角，但对峰值基底剪力影响不明显；建议SCSF配合减震阻尼器使用。
- 钢框架体系 /
- 自复位梁柱节点 /
- 自复位柱脚 /
- 耗能比 /
- 地震时程分析 /
- 抗震性能
Abstract: Research indicates that self-centering structures can rapidly restore structural functionality with minimal post-earthquake repairs， which aligns with the resilient seismic design philosophy. By incorporating self-centering prestressed prefabricated steel beam-column joints （SPPSJs） and self-centering prestressed steel column bases （SPSCBs） into steel frames， a prefabricated self-centering steel frame system （SCSF） is developed. This study focuses on investigating the influence of energy dissipation ratios of self-centering devices on the seismic performance of the SCSF. Simplified finite element models of SPPSJs and SPSCBs were developed using OpenSEES， and their computational accuracy was validated. A six-story steel frame was designed to systematically analyze the effects of SPPSJs and SPSCBs with varying energy dissipation ratios on the seismic response of the SCSF. The results indicated that， compared with the rigidly connected steel frame， the SCSF significantly reduced the residual displacement （with a maximum reduction of 93.74%）， but the post-earthquake acceleration increased. Increasing the energy dissipation ratios of the SPPSJ and SPSCB effectively reduced the peak displacement at the top floor， the residual displacement at the top floor， the peak velocity at the top floor， the peak acceleration at the top floor， the maximum story drift ratio， and the residual story drift ratio of the SCSF， but had an insignificant impact on the peak base shear. It is recommended that the SCSF be used in conjunction with damping devices.
- steel frame system /
- self-centering beam-column joint /
- self-centering column base /
- energy dissipation ratio /
- seismic time-history analysis /
- seismic performance

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