| 摘要 |
PURPOSE: A device for controlling negative reaction of a bridge and a bridge structure using the same are provided to reduce negative reaction by installing a counterweight in the bottom side of an extended rear beam. CONSTITUTION: A device for controlling negative reaction of a bridge is composed as follows. Abutments(1,5) or main towers(3,7) are installed in both sides of a land part. Both ends of an upper plate(9) are directly connected to the land part. Rear beams are formed in both sides of the upper plate. Counterweights(100,200) are connected to the bottom of the rear beams. |
