MICROVIBRATION ANALYSES FOR FLOOR SLAB BY APPLYING THE RAYLEIGH-RITZ METHOD

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  • Rayleigh-Ritz法を応用した床スラブの微振動解析
  • Rayleigh-Ritzホウ オ オウヨウ シタ ユカスラブ ノ ビシンドウ カイセキ

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This paper discusses the floor vibration analysis by applying the Rayleigh-Ritz method for the aid of structural design. In the analysis, many factors to represent various structural types of building floor are considered for the rectangular plate. The primary discussions are as follows : 1) The practicality of the analysis is confirmed in comparison with the measured values. 2) The effective mass of the rectangular plate is represented under the various boundary conditions. 3) The sensitivity analysis is performed in the analysis for the first natural frequency of the floor. 4) The analysis is applied to the three-dimensional problem concerning the propagation of floor vibration. As a consequence, it is clarified that the analysis is helpful for the structural designers because of the accuracy and convenience.

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