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

Author

Listed:
  • Na Xu
  • Dujian Zou
  • Xueyi Fu

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.

Suggested Citation

  • Na Xu & Dujian Zou & Xueyi Fu, 2018. "Force transmission mechanism of a new joint of concrete-filled rectangular steel tubular column under axial compression," International Journal of Distributed Sensor Networks, , vol. 14(8), pages 15501477187, August.
    • Handle: RePEc:sae:intdis:v:14:y:2018:i:8:p:1550147718795556
    DOI: 10.1177/1550147718795556
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