Abstract

A new form of concrete-filled rectangular steel tube column joint is analysed.This said joint involves arranging force transmission components,that is,the distribution beams and inner periphery ribs at floor node zone.It is explored that the force transmission components can coordinate the force and deformation of exterior rectangular steel tube and internal concrete and force steel tube and concrete to carry external loads together.The exiting test results show that arranging force transmission components can improve the bearing performance of CFRT.Finally,the design method of force transmission component distribution beam is proposed.

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