2021 Volume 27 Issue 65 Pages 277-282
Small-scale authorized nursery schools are receiving recognition as a promising solution to the problem of long waitlists for nursery schools. It was measured the amount of reduction in floor impact sound pressure level caused by the car-tire source using a reverberation room with upper and lower floors. It was possible to improve the performance of the amount of reduction in the floor impact sound pressure level by a maximum of 14 dB in the 63 Hz octave band when using pieces of storage furniture with tatami on top by using appropriate vibration control measures and sound insulation measures.
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