대한건축학회논문집 (Journal of the Architectural Institute of Korea)

  • 제38권5호
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  • Pages.205-214
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  • 2022
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  • 2733-6239(pISSN)
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  • 2733-6247(eISSN)
대한건축학회 (Architectural Institute of Korea)
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초고층 오프셋 아웃리거 구조시스템의 수평강성 향상을 위한 슬래브의 보강방법

Reinforcement Method of Floor Slabs to Improve Lateral Stiffness of High-rise Offset Outrigger Systems

  • Kim, Hyong-Kee (Dept. of Architectural Engineering, Kangwon National University)
  • 투고 : 2022.03.05
  • 심사 : 2022.05.04
  • 발행 : 2022.05.30
⟨ 이전 논문 다음 논문 ⟩

초록

This study aims to find a reinforcement method of floor slabs to improve lateral stiffness of offset outrigger systems in high-rise buildings. A structure analysis and design of 70-story buildings utilizing the MIDAS-Gen program were analyzed. The key variables observed were the reinforcement method of floor slabs between shear wall and offset outrigger, the plate thickness of H beam and slab thickness. Based on these results, the lateral displacement reduction ratio and the structural efficiency of the methods reinforcing floor slabs, the axial force in diagonal members of outrigger systems and the maximum principal force distribution of slabs between the shear wall and offset outrigger were analyzed. The research results revealed that the reinforcement method of floor slabs had an impact on the lateral stiffness of the offset outrigger system in tall buildings. These results could be quite valuable in further obtaining important engineering data for the structure design of high-rise offset outrigger systems.

키워드

참고문헌

  1. Architectural Institute of Korea. (2019). Korean Building Code-Structural.
  2. Kim, H. (2017). Investigation of Optimal Outrigger Location of High-rise Offset Outrigger System, Journal of the Korea Institute for Structural Maintenance and Inspection, 21(6), 16~24. https://doi.org/10.11112/JKSMI.2017.21.6.016
  3. Kim, H. (2018). Lateral Behavior in Outrigger System of Tall Building Considering Floor Diaphragm, Journal of the Korea Institute for Structural Maintenance and Inspection, 22(6), 45~52. https://doi.org/10.11112/JKSMI.2018.22.6.045
  4. Kim, H. (2019). Analysis on Lateral Displacement in Top Level and Slab Stress Distribution of Outrigger System in High-rise Building Considering Floor Diaphragm, Journal of the Regional Association of Architectural Institute of Korea, 21(1), 65~72.
  5. Kim, H. (2020). Modified Proposal for Optimal Location of Offset Outrigger System in High-rise Building, Journal of the Korea Institute for Structural Maintenance and Inspection, 24(5), 37~44. https://doi.org/10.11112/JKSMI.2020.24.5.37
  6. Kim, H. (2021). Lateral Behavior of Structure Elements in Core and Offset Outrigger-Belt Truss System, Journal of the Regional Association of Architectural Institute of Korea, 23(4), 1~10.
  7. Kim, Y., Park, S., Kim, H., & Hong, S. (2000). A study on the Structural Behavior Characteristics and Efficiency of Offset Outrigger System, Journal of Architectural Institute of Korea, 16(1), 43~52.
  8. Lee, S., & Kim, H. (2018). Structural Analysis for Determination of Optimal Outrigger Location in Core and Offset Outrigger System, Journal of the Regional Association of Architectural Institute of Korea, 20(5), 45~52.
  9. Midas IT. (2020). MIDAS GEN, Analysis & Design.
  10. Song, H. (1999). Efficiency of Staggered Offset Outrigger System in Tall Building Structures, Journal of Architectural Institute of Korea, 15(11), 19~26.