Journal of Korean Association for Spatial Structures (한국공간구조학회논문집)

Korean Association for Spatial Structures (한국공간구조학회)
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Dynamic Characteristic of Composite Beam using the Sandwich Plate System

샌드위치 플레이트 시스템을 이용한 합성보의 동적 특성

  • Ryu, Jae-Ho (School of Civil, Env. & Arch. Eng., Korea Univ.) ;
  • Ju, Young-Kyu (School of Civil, Env. & Arch. Eng., Korea Univ.) ;
  • Yoon, Sung-Won (School of Architecture, Seoul National University of Science and Technology)
  • 류재호 (고려대학교 건축사회환경공학부) ;
  • 주영규 (고려대학교 건축사회환경공학부) ;
  • 윤성원 (서울과학기술대학교 건축학부)
  • Received : 2014.10.06
  • Accepted : 2014.11.13
  • Published : 2014.12.15
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Abstract

To improve the noise and vibration problems of the existing public parking systems, new floor system was proposed. This system consists of the Sandwich Plate System(SPS), steel beam and post-tensioned steel tendons. To verify the dynamic characteristics such as the natural frequency and damping ratio of the system, the free vibration test was performed. Test results showed that the natural frequency of the SPS composite beam was 23.8Hz and it was increased by 3.8% by installing the post-tensioned tendons. The damping ratio of the specimen with tendons was about 1.64%.

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References

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