Quasi-Static Finite Element Analysis and Damage Quantitative Evaluation of Special-Shaped Concrete-Filled Steel Tubular Column Composite Frame Structure

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成果类型：

期刊论文

作者：

Luo, Liang;Xiao, Chong;Shan, Zhi;Lv, Xiaoyong

通讯作者：

Shan, Z

作者机构：

[Luo, Liang; Xiao, Chong] Nanchang Hangkong Univ, Sch Civil Engn & Architecture, Nanchang, Peoples R China.

[Shan, Zhi; Shan, Z] Cent South Univ, Sch Civil Engn, Changsha 410075, Peoples R China.

[Shan, Zhi] Natl Engn Res Ctr High Speed Railway Construct Tec, Changsha, Peoples R China.

[Shan, Zhi] Engn Technol Res Ctr Prefabricated Construct Indus, Changsha, Peoples R China.

[Lv, Xiaoyong] Cent South Univ Forestry & Technol, Sch Civil Engn, Changsha, Peoples R China.

通讯机构：

[Shan, Z ] C

Cent South Univ, Sch Civil Engn, Changsha 410075, Peoples R China.

语种：

英文

关键词：

Special-shaped concrete-filled steel tubular column;composite frame structure;pseudo-static;plastic energy dissipation;damage evaluation

期刊：

Journal of Earthquake Engineering

ISSN：

1363-2469

年：

2025

卷：

期：

页码：

571-587

DOI：

10.1080/13632469.2024.2435498

基金类别：

This research work was financially supported by the National Natural Science Foundation of China [grant number 52268031], the PhD Startup Fund Program of the Nanchang Hangkong University [grant number EA201911291] and the National Natural Science Foundation of China [grant number U1934217].

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

Based on the elaborate 3D solid finite element (FE) model established by ABAQUS software, a pseudo-static analysis was conducted on a special-shaped concrete-filled steel tubular column composite frame structure. The FE model considers the confinement effect of both the steel tubes and the tensile bars exerting on the core concrete. The results of the numerical analysis concerning failure modes, load-displacement hysteretic curves, load-displacement skeleton curves and stiffness degradation-displacement curves demonstrate a strong correlation with the existing quasi-static test data. Furthermo...

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Quasi-Static Finite Element Analysis and Damage Quantitative Evaluation of Special-Shaped Concrete-Filled Steel Tubular Column Composite Frame Structure

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