International Journal of High-Rise Buildings (국제초고층학회논문집)

Council on Tall Building and Urban Habitat Korea (한국초고층도시건축학회)
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Interfacial Stress Concentrations of Vertical Through-plate to H-beam Connections in CFT Column

  • Choi, Insub (Department of Architectural and Architecture Engineering, Yonsei University) ;
  • Chang, HakJong (Department of Architectural and Architecture Engineering, Yonsei University) ;
  • Kim, JunHee (Department of Architectural and Architecture Engineering, Yonsei University)
  • Published : 2020.12.01
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Abstract

This paper aims to evaluate the interfacial stress concentrations on connection between vertical through-plate and H-beam in CFT column. Full-scale experiments were performed on three specimens with varying thickness of the vertical through-plate to investigate the interfacial stress concentration factor in the connections. The specimens underwent brittle failure at the location where the steel beam is connected to the vertical through-plate before the steel beam reached its plastic moment. The strain data of the part were analyzed, and the sectional analyses were conducted to determine appropriate residual stress models. In addition, the stress concentration factor was quantified by comparing the analytical local behavior in which the stress concentration is not reflected and the experimental data reflecting the stress concentration. The results showed that the maximum reduction of the stress concentration factor due to an increase in the thickness of the vertical through-plate is 50.3%.

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References

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