Novel Hierarchical Energy Dissipation Systems for Seismic Protection of Buildings

被引：6

作者：

Yang, Sen ^{[2
]}

Lin, Yu ^{[3
]}

Guan, Dongzhi ^{[4
]}

Ge, Hanbin ^{[1
]}

Guo, Zhengxing ^{[4
]}

Yang, Hui ^{[4
]}

Liu, Wenguang ^{[2
]}

机构：

[1] Meijo Univ, Dept Civil Engn, Nagoya, Aichi, Japan

[2] Shanghai Univ, Sch Civil Engn, Shanghai, Peoples R China

[3] Nanjing Forestry Univ, Coll Civil Engn, Nanjing, Jiangsu, Peoples R China

[4] Southeast Univ, Sch Civil Engn, Nanjing, Jiangsu, Peoples R China

来源：

JOURNAL OF EARTHQUAKE ENGINEERING | 2023年 / 27卷 / 01期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Energy dissipator; hierarchical energy dissipation; cyclic loading; dynamic analysis; miniature bar-typed structural fuse; displacement-based design method; STEEL BUILDINGS; DAMAGE;

D O I：

10.1080/13632469.2021.1995083

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The methodology of installing energy dissipation devices is a key point in structural seismic design. This paper proposes three novel hierarchical energy dissipation (HED) systems, using miniature bar-typed structural fuses (MBSFs) of different installation constructions, i.e., making MBSF lengths varied, installing Belleville springs, and enabling the anchor device to slide frictionally. Verification tests and corresponding simulations were conducted to examine the feasibilities of these constructions. The results showed that BSC and FSC systems dissipated energy hierarchically as expected. Time-history dynamic analysis on single-degree-of-freedom (SDOF) models was then conducted, according to which a displacement-based design method was established and recommended.

引用

页码：1 / 32

页数：32

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