Beam-to-CFST column joints in steel-concrete composite buildings: A comprehensive review

IF 3.9 2区工程技术 Q1 ENGINEERING, CIVIL Structures Pub Date : 2024-08-29 DOI:10.1016/j.istruc.2024.107123

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Abstract

With structural and economic benefits, concrete filled steel tubular (CFST) columns have been widely used in multistorey buildings in which the beam-to-column joints play an important role in ensuring the structural integrity and robustness of the entire building under external actions. Various joining techniques have been developed to connect CFST columns with steel and composite beams. This paper presents a comprehensive review on the development of a wide range of joining methods for CFST columns used in steel-concrete composite buildings. Various types of CFST connections using bolting and welding methods are covered. Their behaviours under various actions such as earthquake, fire, and impact are then examined and evaluated to explore their practical applicability. In addition, the developments of numerical and analytical models for the analysis and design of CFST connections are also discussed. This review focuses on the connections between CFST columns and steel/composite beams only, whilst the connections between CFST columns and reinforced concrete (RC) beams are not covered in this study due to space limitations.

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钢-混凝土复合结构建筑中的梁-CFST 柱连接：全面回顾

混凝土填充钢管（CFST）柱具有结构和经济效益，已广泛应用于多层建筑中，其中梁与柱的连接在确保整个建筑在外部作用下的结构完整性和坚固性方面发挥着重要作用。目前已开发出各种连接技术，用于将 CFST 柱与钢梁和复合梁连接起来。本文全面回顾了钢-混凝土复合结构建筑中 CFST 柱的各种连接方法的发展。文中涵盖了各种使用螺栓和焊接方法的 CFST 连接。然后对它们在地震、火灾和冲击等各种作用下的行为进行了检查和评估，以探讨其实际适用性。此外，还讨论了 CFST 连接分析和设计的数值和分析模型的发展情况。本综述仅关注 CFST 柱与钢梁/复合梁之间的连接，而 CFST 柱与钢筋混凝土 (RC) 梁之间的连接由于篇幅限制未在本研究中涉及。

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来源期刊

Structures Engineering-Architecture

CiteScore

5.70

自引率

17.10%

发文量

1187

期刊介绍： Structures aims to publish internationally-leading research across the full breadth of structural engineering. Papers for Structures are particularly welcome in which high-quality research will benefit from wide readership of academics and practitioners such that not only high citation rates but also tangible industrial-related pathways to impact are achieved.