[1]连鸣,周玉浩,李浩翔.基于性能的含可更换耗能梁段高强钢框筒结构抗震性能研究[J].西安建筑科技大学学报(自然科学版),2024,56(01):65-73.[doi:10.15986/j.1006-7930.2024.01.009]
　LIAN Ming,ZHOU Yuhao,LI HaoXiang.Seismic performance of high-strength steel framedtube structures with replaceable shear links based on performance design[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2024,56(01):65-73.[doi:10.15986/j.1006-7930.2024.01.009]
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基于性能的含可更换耗能梁段高强钢框筒结构抗震性能研究()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
56
期数:
2024年01期
页码:
65-73
栏目:
出版日期:
2024-02-28

文章信息/Info

Title:
Seismic performance of high-strength steel framedtube structures with replaceable shear links based on performance design
文章编号:
1006-7930(2024)01-0065-09
作者:
连鸣1; 2;  周玉浩1;  李浩翔1
（1.西安建筑科技大学 土木工程学院，陕西 西安 710055; 2.西安建筑科技大学 结构工程与抗震教育部重点实验室，陕西 西安 710055）
Author(s):
LIAN Ming1; 2;  ZHOU Yuhao1;  LI HaoXiang1
（1.School of Civil Engineering, Xi′an Univ. of Arch. & Tech., Xi′an 710055, China;2.Key Lab of Structural Engineering and Earthquake Resistance, Ministry of Education (XAUAT), Xi′an 710055, China）
关键词:
钢框筒; 耗能梁段; 高强钢; 破坏模式; 基于性能的抗震设计; 层间侧移
Keywords:
steel framed-tube;  shear link;  high strength steel;  failure mode;  performancebased seismic design;  inter-story drift
分类号:
TU391,TU398
DOI:
10.15986/j.1006-7930.2024.01.009
文献标志码:
A
摘要:
含可更换耗能梁段的高强钢框筒结构（HSS-SFT-RSL）结合了耗能梁段耗能强、钢框筒抗侧刚度大、高强钢承载力高等优点，是一种抗震性能优良的结构体系.传统设计方法需要进行复杂的迭代和计算才能使结构达到预期性能目标，且无法较为准确地控制结构的塑性发展顺序和破坏模式，本文采用课题组提出的基于性能的塑性设计方法（PBPD）各设计一个30层HSS-SFT-RSL算例和含可更换剪切型耗能梁段的普通钢框筒结构（CS-SFT-RSL）算例，通过静力和动力弹塑性分析对比两算例的抗震性能.结果表明：采用PBPD法设计的两算例具有相似的顶点侧移角和破坏模式，HSS-SFT-RSL算例抗侧刚度略低，但极限承载力更高；在罕遇水准地震下，两算例各层耗能梁段均能参与耗能，层间侧移角沿结构高度分布均匀，避免了薄弱层，残余层间变形较小，有利于耗能梁段更换和结构震后功能的快速恢复.
Abstract:
The high-strength steel framedtube structure with replaceable shear links (HSS-SFT-RSL) is a structural system with excellent seismic performance, which combines the advantages of strong energy-dissipating beam section, high lateral stiffness of framed-tube tube and high bearing capacity of high-strength steel. The traditional design method requires complex iterations and calculations to achieve the expected performance goals of the structure, and it is impossible to control the plastic development sequence and failure mode of the structure more accurately. In this paper, a set of 30-story HSS-SFT-RSL cases and common steel frame-tube structures with replaceable shear links (CS-SFT-RSL) cases are designed using the performance-based plastic design method (PBPD) proposed by the research group, and the seismic performance of the two cases is compared by static and dynamic elastic-plastic analysis. The research results demonstrate that the two cases designed by PBPD method have similar vertex lateral shift angles and damage modes, and the HSS-SFT-RSL case has slightly lower lateral stiffness but higher ultimate bearing capacity. Under the rare level earthquake, the energy-consuming beam segments of the two cases can participate in energy dissipation, and the inter-story lateral shift angles are evenly distributed along the height of the structure, which avoids the weak layer. In addition, the residual inter-story deformation is small, which is conducive to the replacement of the energy dissipation beam section and the rapid recovery of the structure after the earthquake.

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备注/Memo

备注/Memo:
收稿日期:2022-11-01修回日期:2023-02-02
基金项目:国家自然科学基金项目（51708444）
第一作者:连鸣(1987—)，男，博士，副教授，主要研究新型钢结构体系抗震性能与设计方法.E-mail: lianming@xauat.edu.cn
通信作者:周玉浩(1996—)，男，博士生，主要研究新型钢结构体系抗震性能.E-mail: zhouyuhao0925@163.com
更新日期/Last Update: 2024-04-08