Compression test of RCFT columns with thin-walled steel tube and high strength concrete

Xiamuxi, Alifujiang; Hasegawa, Akira

doi:10.12989/scs.2011.11.5.391

“…In this type of composite column, the concrete can be plain such as (CFT) or reinforced concrete with steel bar (RCFT). Current studies (Xiamuxi and Hasegawa 2012;Endo et al 2000;Hua et al 2005;Xiamuxi and Hasegawa 2011) show that RCFT columns have better performance regarding moderate and severe earthquake excitations, higher toughness, and ductility in comparison with CFT columns.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Egyptian code provisions for seismic design of moment-resisting-frame multi-story buildings

Raheem

¹

2013

Int J Adv Struct Eng

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SRCFT columns are formed by inserting a steel section into a concrete-filled steel tube. These types of columns are named steel-reinforced concrete-filled steel tubular (SRCFT) columns. The current study aims at investigating the various types of reinforcing steel section to improve the strength and hysteresis behavior of SRCFT columns under axial and lateral cyclic loading. To attain this objective, a numerical study has been conducted on a series of composite columns. First, FEM procedure has been verified by the use of available experimental studies. Next, eight composite columns having different types of cross sections were analyzed. For comparison purpose, the base model was a CFT column used as a benchmark specimen. Nevertheless, the other specimens were SRCFT types. The results indicate that reinforcement of a CFT column through this method leads to enhancement in load-carrying capacity, enhancement in lateral drift ratio, ductility, preventing of local buckling in steel shell, and enhancement in energy absorption capacity. Under cyclic displacement history, it was observed that the use of cross-shaped reinforcing steel section causes a higher level of energy dissipation and the moment of inertia of the reinforcing steel sections was found to be the most significant parameter affecting the hysteresis behavior of SRCFT columns.

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Steel-reinforced concrete-filled steel tubular columns under axial and lateral cyclic loading

Farajpourbonab

¹

,

Kute

²

,

Inamdar³

2018

Int J Adv Struct Eng

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SRCFT columns are formed by inserting a steel section into a concrete-filled steel tube. These types of columns are named steel-reinforced concrete-filled steel tubular (SRCFT) columns. The current study aims at investigating the various types of reinforcing steel section to improve the strength and hysteresis behavior of SRCFT columns under axial and lateral cyclic loading. To attain this objective, a numerical study has been conducted on a series of composite columns. First, FEM procedure has been verified by the use of available experimental studies. Next, eight composite columns having different types of cross sections were analyzed. For comparison purpose, the base model was a CFT column used as a benchmark specimen. Nevertheless, the other specimens were SRCFT types. The results indicate that reinforcement of a CFT column through this method leads to enhancement in load-carrying capacity, enhancement in lateral drift ratio, ductility, preventing of local buckling in steel shell, and enhancement in energy absorption capacity. Under cyclic displacement history, it was observed that the use of cross-shaped reinforcing steel section causes a higher level of energy dissipation and the moment of inertia of the reinforcing steel sections was found to be the most significant parameter affecting the hysteresis behavior of SRCFT columns.

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Analytical model for circular high strength concrete filled steel tubes under compression

Zhu

¹

,

Chen

²

,

Chan

³

2021

Engineering Structures

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Compression test of RCFT columns with thin-walled steel tube and high strength concrete

Cited by 11 publications

References 2 publications

Evaluation of Egyptian code provisions for seismic design of moment-resisting-frame multi-story buildings

Evaluation of Egyptian code provisions for seismic design of moment-resisting-frame multi-story buildings

Steel-reinforced concrete-filled steel tubular columns under axial and lateral cyclic loading

Analytical model for circular high strength concrete filled steel tubes under compression

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