The present invention is to make this, the deflection phenomenon of the girder with Sikkim quickly reduce vibration which is caused by the load of a pedestrian impact, and relates to a vibration reduction type footbridge can be prevented.
The present invention is secured to the girder 100, which is fixed to one side of the bridge 200, the upper supporting frame 300, the supporting frame 300 is configured on an upper part of the girder (100) for realizing this, in the footbridge and deck plate 400 that is provided on one end of the girder 100, consisting of railing holding (500) for supporting the safe, one end portion, the vibration reduction housing (10) of the girder (100) doedoe is installed, the vibration reduction housing 10 and the vibration damper (11) forming a constant weight, the vibration-down flow guide rod 12 to guide the damper 11 and the vibration damper (11) in the the vertical upper spring 13 to support the flow to a constant spring force and the lower spring 14 is configured; The girders 100, tension wire 110 in the longitudinal direction is connected and configured; The tension wire 110 is interrupted, characterized by consisting of a turnbuckle 120 to adjust the tension of the wire connection.