| 摘要 |
PURPOSE:To give load resistance to the structure in all positions of a main structure and reduce noise in the traveling of a train by using a alloy system vibration restraining steel plate for a flange of a bridge having I girder and box girder as the main structure and a resin sandwiching type vibration restraining steel plate for a web. CONSTITUTION:For example, a vibration restraining steel plate of ferromagnetic type vibration restraining alloy is used for a flange 1 of a bridge having I girder as the main structure and a vibration restraining steel plate having viscous elastic resin sandwiched by two ordinary steel plates is used for a web. Then, the main structure of the I girder supports a traveling train through a rail 3, tie 4, ballast 5 and floor plate 6, so that the bridge is provided with the structure having load resistance in the traveling of the train and the inspection and maintenance control of the bridge can be improved. |
