内嵌双阶段装配式防屈曲支撑的钢框架-支撑结构抗震性能评估

张爱林; 刘杰; 姜子钦; 郭康; 苏世佳

doi:10.13204/j.gyjzG23020102

内嵌双阶段装配式防屈曲支撑的钢框架-支撑结构抗震性能评估

doi: 10.13204/j.gyjzG23020102

张爱林^1,2,3,
刘杰¹,
姜子钦^1,2, ,,
郭康¹,
苏世佳¹

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. 北京建筑大学北京未来城市设计高精尖创新中心, 北京 100044

基金项目:

国家自然科学基金项目（52078013）。

详细信息

作者简介:
张爱林,男,1961年出生,教授,博士生导师。

通讯作者:
姜子钦,男,1988年出生,教授,jzqbj2010@163.com。

计量
- 文章访问数: 70
- HTML全文浏览量: 13
- PDF下载量: 4
- 被引次数: 0
出版历程
- 收稿日期: 2023-02-01
- 网络出版日期: 2023-11-08

Seismic Performance Evaluation of Steel Frame-Support Structures Embedded with Double-Stage Prefabricated Buckling-Restrained Braces

ZHANG Ailin^1,2,3,
LIU Jie¹,
JIANG Ziqin^{1,2
, ,},
GUO Kang¹,
SU Shijia¹

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 100124, China;
3. Beijing Advanced Innovation Center for Future City Design, Beijing University of Civil Engineering and Architecture, Beijing 100044, China

摘要

摘要: 为研究新型内芯可更换的双屈服点装配式防屈曲约束支撑对装配式钢框架-支撑结构抗震性能的影响，首先采用有限元软件Perform-3D建立了普通支撑、防屈曲支撑和新型内芯可更换的双屈服点装配式防屈曲约束支撑的有限元模型，并验证了建模方式的准确性；之后在此基础上建立内嵌新型内芯可更换的双屈服点装配式防屈曲支撑的钢框架-支撑结构有限元模型，并采用弹塑性时程分析方法对普通钢框架结构、钢框架-普通支撑结构、钢框架-防屈曲支撑结构、内嵌新型双屈服点装配式防屈曲支撑的钢框架-支撑结构的抗震性能展开研究。分析结果表明：Perform-3D能准确模拟普通钢支撑、普通防屈曲支撑及新型内芯可更换的双屈服点装配式防屈曲支撑；内嵌新型双屈服点防屈曲支撑的钢框架-支撑结构在最大层间位移角和结构顶层位移、基底剪力上均优于其他结构，新型内芯可更换的双屈服点装配式防屈曲约束支撑在地震作用下起到了重要的作用，它主要通过新型内芯可更换的双屈服点装配式防屈曲约束支撑来耗能，这说明内嵌新型内芯可更换的双屈服点装配式防屈曲支撑的钢框架-支撑结构具有良好的抗震性能。
- 双阶段装配式防屈曲支撑 /
- 钢框架结构 /
- 时程分析 /
- 抗震性能
Abstract: In order to study the influence of the new double-yield-point prefabricated buckling-restrained braces with replaceable core on the seismic performance of the prefabricated steel frame-support structure, firstly the finite element software Perform-3D was used to establish the finite element models of ordinary braces, buckling-restrained braces and new double-yield-point prefabricated buckling-restrained braces with replaceable core and verified the accuracy of the modeling method. Then, on this basis, a finite element model of steel frame-support structure embedded with new double-yield-point buckling-restrained braces with replaceable core was established, and the seismic performances of ordinary steel frame structure, steel frame-ordinary braces structure, steel frame-buckling-restrained braces structure, and steel frame-support structure embedded with new double-yield-point braces were studied by elastoplastic time-history analysis method. The analysis results show that Perform-3D could accurately simulate ordinary steel braces, ordinary buckling-restrained braces and new double-yield-point prefabricated buckling-restrained braces with replaceable core. The steel frame-support structure embedded with the new double-yield-point prefabricated buckling-restrained braces is better than other structures in terms of the maximum interlayer displacement angle and the top layer displacement of the structure and the base shear force. The new double-yield-point prefabricated buckling-restrained braces with replaceable core play an important role under the action of earthquake, mainly through the new double-yield-point prefabricated buckling-restrained braces with replaceable core to consume energy. It indicates that the steel frame-support structure embedded with the new double-yield-point prefabricated buckling-restrained braces with replaceable core shows a good seismic performance.
- double-stage prefabricated buckling-restrained braces /
- steel frame structure /
- time-history analysis /
- seismic performance

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