Journal of Korean Society of Steel Construction (한국강구조학회 논문집)

Korean Society of Steel Construction (한국강구조학회)
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Analytical Study on the Prying Action Force and Axial Tensile Stiffness of High-Strength Bolts Used in an Unstiffened Extended End-Plate Connection

비보강 확장단부판 접합부에 체결된 고장력볼트의 지레작용력 및 축방향 인장강성에 대한 해석적 연구

  • Kim, Hee Dong (Department of Architecture, Inha Technical College) ;
  • Yang, Jae Guen (Department of Architectural Engineering, Inha University) ;
  • Lee, Hyung Dong (Department of Architectural Engineering, Inha University)
  • Received : 2015.03.02
  • Accepted : 2015.03.20
  • Published : 2015.04.27
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Abstract

The end plate connection is applied to beam-column moment connections in various forms. Such end plate connection displays changes in the behavioral characteristics, strength and stiffness, and energy dissipation capacity based on the thickness and length of the end plate, the number and diameter of the high strength bolt, the gauge distance of the high strength bolt, prying action force of the high strength bolt, and dimensions and length of the welds. Accordingly, this study has apprehended the axial tensile stiffness and prying action force of the high strength bolt connected on the tensile side based on the difference in thickness of the end plate, and was conducted to propose an analysis model for the prediction of such variables that affect the operating properties of the end plate. To achieve this, this study has conducted a three-dimensional non-linear finite-element analysis of the unstiffened expanding end plate connection by selecting only the thickness of the end plate as the variable.

단부판 접합부는 다양한 형태로 보-기둥 모멘트 접합부에 적용되고 있다. 이러한 단부판 접합부는 단부판의 두께 및 길이, 고장력 볼트의 개수 및 직경, 고장력볼트의 게이지 거리, 고장력볼트의 지레작용력, 용접부의 치수 및 길이 등에 따라서 상이한 거동특성, 강성 및 강도, 에너지소산능력의 변화를 나타낸다. 따라서 이 연구는 단부판의 두께 변화에 따른 인장측에 체결된 고장력볼트의 지레작용력 및 축방향 인장강성을 파악하고, 단부판의 거동특성에 영향을 미치는 이러한 변수들을 예측하기 위한 해석모델을 제안하기 위하여 진행하였다. 이를 위하여 이 연구에서는 단부판의 두께만을 변수로 선택하여 비보강 확장단부판 접합부에 대한 3차원 비선형 유한요소해석을 수행하였다.

Keywords

References

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