Experimental behaviour of thin-walled steel tube confined concrete column to RC beam joints under cyclic loading

Concrete filled steel tubular (CFST) column-beam joint with the column tube discontinuous in joint zone is a new type of joint. In this paper, the compressive tests on this joint were carried out after the cyclic reversed loading. First the cyclic loading experiment results were introduced briefly, then the compressive tests were presented. The bearing capacity, crack patterns, deformation, strain of the reinforcements of the specimens were studied. These specimens were also compared with the other specimens only under compressive test. The results show that the specimens have good ductility. The concrete of the reinforced concrete (RC) ring beam cracked before the yield of the steel ring bars or the buckling of the steel tube. Although the cyclic loading caused some damage on the ring beam, it had few effects on the axial bearing capacity. The RC ring beam can still confine the joint zone and ensure the capacity of the joint zone was not lower than the CFST column.

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Behavior of thin walled steel tube confined concrete stub columns subjected to axial local compression

Thin-Walled Structures ◽

10.1016/j.tws.2007.08.029 ◽

2008 ◽

Vol 46 (2) ◽

pp. 155-164 ◽

Cited By ~ 30

Author(s):

Lin-Hai Han ◽

Wei Liu ◽

You-Fu Yang

Keyword(s):

Steel Tube ◽

Confined Concrete ◽

Thin Walled ◽

Stub Columns

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Mechanical Behavior Study on Connections of Multibarrel Tube-Confined Concrete Column with Steel Beam

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.166-169.3269 ◽

2012 ◽

Vol 166-169 ◽

pp. 3269-3272

Author(s):

Li Ying Xu

Keyword(s):

Mechanical Behavior ◽

Seismic Design ◽

Seismic Behavior ◽

Ultimate Load ◽

Steel Tube ◽

Confined Concrete ◽

Steel Beam ◽

Concrete Column ◽

Good Ductility ◽

Behavior Study

In order to meet the necessity of the code for seismic design of buildings: Principle for strong connections and feebleness member. The exernal steel tube of column and steel beam are joining with three kinds of style. Containing two strengthen styles T-style stiffening plate and appending haunch. The result reveals that the two strengthen connections ultimate load are much bigger, good ductility, better seismic behavior. The deformation of the column and the region of the connection is smaller when it was broken, Indicating the connections’s globality is better and the stiffness is bigger. It avoids brittleness for breaking styles when they are given more load.

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Seismic behavior of carbon fiber reinforced polymer confined concrete filled thin-walled steel tube column-foundation connection

Composite Structures ◽

10.1016/j.compstruct.2021.114804 ◽

2021 ◽

pp. 114804

Author(s):

Tianxiang Xu ◽

Sumei Zhang ◽

Jiepeng Liu ◽

Xuanding Wang ◽

Ying Guo

Keyword(s):

Carbon Fiber ◽

Seismic Behavior ◽

Steel Tube ◽

Fiber Reinforced Polymer ◽

Confined Concrete ◽

Carbon Fiber Reinforced Polymer ◽

Fiber Reinforced ◽

Reinforced Polymer ◽

Column Foundation ◽

Thin Walled

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Mechanical behaviour of PVC-CFRP confined concrete column with RC beam joint subjected to axial load

Journal of the Croatian Association of Civil Engineers ◽

10.14256/jce.2661.2019 ◽

2020 ◽

Vol 72 (2) ◽

pp. 151-164

Author(s):

Stjepan Lakusic

Keyword(s):

Mechanical Behaviour ◽

Axial Load ◽

Confined Concrete ◽

Concrete Column ◽

Rc Beam

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Experimental Behavior of Square Tubed-Reinforced-Concrete Column to RC Beam Joints with Internal Diaphragms under Cyclic Loading

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.763.779 ◽

2018 ◽

Vol 763 ◽

pp. 779-786 ◽

Cited By ~ 1

Author(s):

Dan Gan ◽

Zheng Zhou ◽

Xu Hong Zhou

Keyword(s):

Reinforced Concrete ◽

Cyclic Loading ◽

Failure Modes ◽

Shear Failure ◽

Steel Tube ◽

Rc Beam ◽

Reinforced Concrete Column ◽

Current Test ◽

Panel Zone ◽

Test Parameters

This paper describes experimental investigation on three square tubed-reinforced-concrete (TRC) column to reinforced concrete (RC) beam joints with internal diaphragms subjected to cyclic loading, where width-to-thickness ratios of the steel tube in the panel zone and levels of axial load were selected as test parameters. Two failure modes, namely, joint shear failure and beam failure + bond failure were observed in the current test. Test results showed that the proposed composite joints exhibited favorable seismic performance.

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