Abstract
House vibration is one of the public problems in Japan. An interview survey with 186 persons disclosed that the main source of house vibration was traffic vehicles such as trucks. Actual measurement of house vibration revealed that vertical vibrational intensity with the houses was below 35 cm/second 2 in acceleration and ranged 4–30 cps in frequency. Relationship between the vibrational intensity and its perception by inhabitants was explored and the upper limit of 95% confidence interval of “not perceptible” response was 2.48 cm/second 2 in acceleration and 0.2 mm/second in velocity. Finally, a criterion for threshold limits of vibrational nuisance was proposed by three types of habitation.
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