Force transmission mechanism of a new joint of concrete-filled rectangular steel tubular column under axial compression

Na Xu, Dujian Zou and Xueyi Fu

International Journal of Distributed Sensor Networks, 2018, vol. 14, issue 8, 1550147718795556

Abstract: In this study, a new joint of concrete-filled rectangular steel tube column was proposed and analyzed. The force transmission components include distribution beams and inner periphery ribs in the floor node area. The stress behavior of the new proposed concrete-filled rectangular steel tube column under axial compressive load was investigated. It was found that the force transmission components coordinate the force and deformation of external steel tube and internal concrete. This indicates that the steel tube and concrete can work together to bear external load. Our previous test results also show that arranging force transmission components in the floor node area can improve the mechanical behavior of a concrete-filled rectangular steel tube column. Finally, a design method of force transmission component distribution beam is proposed, which provides a reference for the structural designer to use the new concrete-filled rectangular steel tube joint in actual engineering.

Keywords: Concrete-filled rectangular steel tube column; force transmission components; stress mechanism; design method; Winkler’s beam (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:sae:intdis:v:14:y:2018:i:8:p:1550147718795556

DOI: 10.1177/1550147718795556

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