Advances in Computational Design

  • 제6권4호
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  • Pages.279-300
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  • 2021
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  • 2383-8477(pISSN)
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  • 2466-0523(eISSN)
테크노프레스 (Techno-Press)
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Static and seismic response analyses of new seismic integrated ceiling using FEM

  • 투고 : 2021.04.01
  • 심사 : 2021.06.28
  • 발행 : 2021.10.25
⟨ 이전 논문 다음 논문 ⟩

초록

The seismic performances of suspended ceilings are mostly evaluated via shaking table tests, whose results can be intuitively understood. However, these tests become impracticable when the ceiling surface area is beyond the limit of the shake table. Hence, simulation analysis becomes an alternative method. However, simulation analysis for suspended ceilings has not been yet developed and is used as an auxiliary method. To provide a new approach for evaluating the seismic performances of suspended ceilings, we have proposed numerical models for a new seismic integrated ceiling in previous studies, including 1) models (shell elements) for the intersections of the ceiling members and 2) models (beam elements) for ceiling units. Based on our previous studies, we created a model with a ceiling surface area of 264 m2 and analyzed via LS-DYNA as an example to evaluate the seismic performance of the new seismic integrated ceiling. To confirm the seismic behavior of the new seismic integrated ceiling during earthquakes, as an example, JMA Kobe earthquake waves were input into the simulation model for the first time. Via the simulation analysis, it was confirmed that the seismic performance of the new seismic integrated ceiling was satisfactory even when the ceiling surface area exceeded 200 m2.

키워드

과제정보

The authors would like to thank the Japanese Society of Steel Construction, Dr. Nobuyuki Yasui (General Building Research Corporation of Japan), and Dr. Yoshitaka Ushio. This research was financially supported by the Japanese Society of Steel Construction. We received numerous pieces of advice and assistance from Dr. Nobuyuki Yasui and Dr. Yoshitaka Ushio. Their help is much appreciated.

참고문헌

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