VERIFICATION OF VIBRATION REDUCTION EFFECTS OF ISOLATED RAILWAY TRACK

Design and construction of isolated railway track for station building which included railway tracks, Part II

Abstract

In the new Hakata station building, ‘JR Hakata City’, floating slabs were employed to avoid the influence of structure-borne noise to the hall and the movie theaters.
Measurement of noise and vibration was carried out in the building at the time of the completion of construction of the railway tracks.
It has been confirmed that the floating slabs performed vibration reduction effects of 15 to 30dB as compared with ballasted tracks using ballast mats and that the measured noise level was smaller than 30dBA in the hall and smaller than 35dBA in the movie theater.