FUNDAMENTAL STUDY ON INFLUENCE OF PRIOR EXPOSED EXPERIENCE OF FLOOR VIBRATION FOR ACCEPTANCE JUDGMENT

Floor vibration is an important factor in living conditions. Recently cases to need countermeasures for floor vibration reductionincrease because building life becomes long, and the criteria of vibration may sift by replacement of residents or the exposure forcemay be large by change of neighboring traffic. In this research, influences that prior experience of floor vibration gives for thejudgments of allowance for reduced vibrations was examined in sensory evaluation test. By the examination, it was shown thatreduced vibrations may be allowed by being reduced at fixed ratio, no matter the vibrations are larger than individual absoluteacceptable limit of examinees. And the unevenness of reduction ratio for allowance caused by individual difference is smaller than theunevenness of the absolute acceptable limit of examinees.