Journal of Korean Association for Spatial Structures (한국공간구조학회논문집)

Korean Association for Spatial Structures (한국공간구조학회)
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The Flexural Capacity of the U-flanged Truss Hybrid Beam considering the Tensile Force of Lattice Members

래티스재의 인장력을 고려한 U-플랜지 트러스 복합보의 휨 내력에 관한 연구

  • Lee, Seong Min (Dept. of Architectural Engineering, Mokpo National University) ;
  • Oh, Myoung Ho (Dept. of Architectural Engineering, Mokpo National University) ;
  • Kim, Young Ho (Dept. of Architectural Engineering, Mokpo National University)
  • 이성민 ( 국립목포대학교 건축공학과 대학원) ;
  • 오명호 (국립목포대학교 건축공학과) ;
  • 김영호 (국립목포대학교 건축공학과)
  • Received : 2023.01.26
  • Accepted : 2023.02.26
  • Published : 2023.03.15
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Abstract

A bending experiment was conducted to verify the structural performance of the U-flange truss hybrid bean using rebars or steel pipes to reinforce the upper compression zone. As a result of evaluating the bending strength of the truss hybrid beam according to the Structural Design Standard (KDS 14 2020: 2022) by introducing the lattice member as a tensile resistance element, the following conclusions were obtained. Considering the lattice element as a tensile resistance element, the nominal bending strength was increased by 38.57 to 47.90 kN.m. As a result of reviewing the experiment as to whether the flexural member has proper ductility, it was found that it is desirable to place appropriate rebars, steel quality plans, and lateral restraints on the upper and lower parts of the hybrid beam to have sufficient ductility ratio.

Keywords

Acknowledgement

본 논문은 2022학년도 목포대학교 교내연구비 지원에 의하여 연구되었음.

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