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Structural behavior of an assembled steel joint composed of CHS KK-joint and a doubler plate for connection with steel tensile rods was studied. A full-scale test was conducted for the assembled joint on a special made self-balanced reaction frame with three high strength steel strands to apply tensile loads on two ear plates and compressive load on the chord member of the joint. Ultimate load carrying capacity, failure mode and stress distribution of the joint under monotonic loads were obtained experimentally. The static behavior of the joint was also determined by nonlinear finite element analysis. The results of numerical analysis agreed very well with those of the test, which verified the rationality of the finite element model. The hysteretic behavior of the joint was then studied by finite element analysis. Hysteretic curve was obtained, based on which ductile ratio and energy dissipation factor were calculated. Outcomes from both the test and the finite element analysis proved that the assembled joint has satisfactory load carrying capacity and acceptable seismic performance.
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- Structural Behaviour of an Assembled Steel Joint Composed of CHS KK-Joint and Doubler Plate for Connection with Steel Tensile Rods
- Korean Society of Steel Construction
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