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Zhao B.-C.,Jiangsu Province Key Laboratory of Structure Engineering USTS | Gu Q.,Jiangsu Province Key Laboratory of Structure Engineering USTS | Song W.,Jiangsu Province Key Laboratory of Structure Engineering USTS | He R.-Q.,Jiangsu Province Key Laboratory of Structure Engineering USTS | Shen L.,China Institute of Building Standard Design and Research
Xi'an Jianzhu Keji Daxue Xuebao/Journal of Xi'an University of Architecture and Technology | Year: 2010

In order to study the bearing capacity of concrete-filled tubular steel column-staggered truss structure, one 3 story 1/3 scaled model was tested under lateral load. Member's internal force of concrete-filled tubular steel column-staggered truss structure based on test results was analyzed in this paper. The result indicated that axial force is the dominating internal force in the concrete-filled tubular steel column, chord and web of truss. Axial force in columns of adjcent floor remains the same, and the moment in the column with truss is smaller than that in the column without truss. Axial force and shearing force in chord of truss are smaller in mid-span than those in side-span. Axial force in diagonal web is larger than that in vertical web but the moment is smaller. Axial force of diagonal web member near open-web panel is large than that connected to column. Axial force of vertical web in mid-span panel is smaller than that in the side-span panel. Structure failure is due to compressive instability and tensile rupture of diagonal web members. Source

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