Journal of the Korea institute for structural maintenance and inspection (한국구조물진단유지관리공학회 논문집)

Korea Institute for Structural Maintenance Inspection (한국구조물진단유지관리공학회)
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Analysis Study on Ultimate Strength of Single-shear Bolted Connections with Austenitic Stainless Steel(STS201) with Varied End and Edge distances

연단거리를 변수로 갖는 오스테나이트계 스테인리스강(STS201) 일면전단 볼트접합부의 최대내력에 관한 해석연구

  • 차은영 (기하엔지니어링 감리사업본부(한밭대학교 건축공학과)) ;
  • 황보경 (한밭대학교 일반대학원 건축공학과) ;
  • 이후창 (한밭대학교 일반대학원 건축공학과) ;
  • 김태수 (한밭대학교 건축공학과)
  • Received : 2017.01.19
  • Accepted : 2017.08.14
  • Published : 2017.09.01
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Abstract

This study focused on the ultimate behaviors(ultimate strength and fracture mode ) of single shear bolted connection with austenitic sainless steel(STS201) and curling effect on the ultimate strength using finite element analysis based on test results. Main variables are end distance in the parallel direction to loading and edge distance in the perpendicular direction to loading. The validation of finite element analysis procedures was verified through the comparisons of ultimate strength, fracture mode and curling(out-of-plane deformation) occurrence between test results and numerical predictions. Curling was observed in both test and analysis results and it reduced the ultimate strength of single- shear bolted connections with relatively long end distances. Strength reduction ratios caused by curling were estimated quantitatively by maximum 19%, 32%, respectively for specimens with edge distance, 48 mm and 60 mm compared with strengths of uncurled connections with restrained out-of-plane deformation. Finally, analysis strengths were compared with current design strengths and it is found that design block shear equations did not provide the accurate predictions for bolted connections with strength reduction by curling.

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References

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