3次元直交交差部における曲げ波,縦波およびねじれ波の伝搬性状の解析 : 建築〓体における固体音伝搬性状の研究-第3報

概要

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In the part-1 of this research, theoretical and practical equations to calculate transmission coefficients on 2-dimensional intersecting structures for bending wave and longitudinal wave incidence, were shown. In the part-2, some 2-dimensional intersecting structure models were made and transmissin properties were measured and then were compared each other and with theoretical values. In this report: part-3, Calculations and experiments are expanded into the three dimensional intersecting beam. In analysis tortional wave is considered with bending waves and longitudinal wave. From the result, the sum of calculated transmission coefficients is proved to be 100 %. In experiment, measured attenuations are coincided with theoretical values which modificated with standing wave on the incident beam.
社団法人日本建築学会の論文
1988-07-30