Seismic performance of a new through rib stiffener beam connection to concrete-filled steel tubular columns: An experimental study

Zeinizadeh Jeddi, M. and Ramli Sulong, N.H. and Arabnejad Khanouki, M.M. (2017) Seismic performance of a new through rib stiffener beam connection to concrete-filled steel tubular columns: An experimental study. Engineering Structures, 131. pp. 477-491. ISSN 0141-0296

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Official URL: http://dx.doi.org/10.1016/j.engstruct.2016.10.038

Abstract

This paper proposes a new moment-resisting connection known as a through rib stiffener beam connection, which is directly passed through a pre-slotted circular column with concrete infill. Four half-scale cruciform specimens with orthogonal beams were tested under cyclic loading. The failure modes, hysteretic performance, rotation capacity, strength and stiffness degradation, ductility, and energy dissipation of the connections were analysed. The effect of different parameters, such as through rib stiffener and beam section size, on the connection performance was investigated. The experimental results indicated that the new through rib stiffener beam connected with circular columns exhibited a large hysteretic enclosed area, good ductility, and excellent energy dissipation. The results proved that the proposed connection satisfies the seismic provisions and ductility design requirements for it to be utilized as moment-resisting frames in a seismically active area.

Item Type: Article
Uncontrolled Keywords: Beam to concrete-filled tubular (CFT) column connection; Through-rib stiffener; Cyclic loading; Seismic performance; Ductility; Energy dissipation
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 07 Jun 2018 06:07
Last Modified: 07 Jun 2018 06:07
URI: http://eprints.um.edu.my/id/eprint/18826

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