2021 年 27 巻 65 号 p. 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.