The Vibration Comfort Evaluation of the Shaking Table Mass Foundation

진동대 반력기초의 진동사용성 평가

  • 최형석 (부산대학교 KOCED 지진방재연구센터) ;
  • 정다정 (부산대학교 사회환경시스템공학과 토목공학) ;
  • 김성도 (경성대학교 토목공학과) ;
  • 정진환 (부산대학교 사회환경시스템공학부 토목공학)
  • Received : 2010.11.09
  • Accepted : 2011.02.08
  • Published : 2011.04.30


When designing building structures, dynamic serviceability is one of the most important items. Much research is being carried out on machine vibrations that affect inside residents and expensive equipment in the building structure. The vibration effect generally depends on the mass ratio, and an adequate mass ratio is determined by comparison with the serviceability limit according to the criteria. This study investigates the evaluation of vibration serviceability by using ISO 2631 to confirm the propriety of adequate mass ratios and it is verified that the application of a complicated FE model to model the real large shaking table facility with the mathematical model simulated as a SDOF system. The weighted RMS value is then compared with the comfort limit given by ISO 2631. As a result, the analysis of the numerical model is consistent with analysis of the FE model. Moreover, it is found that the adequate mass ratio of the concrete foundation and shake table, considering the self-weight of the real facility, should be less than 0.013. It is also confirm that the sample facility is satisfies the requirement of an adequate mass ratio.


Supported by : 부산대학교


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