| 摘要 |
PURPOSE: An assembly cross beam structure for multi-girder concrete bridge and a method of construction thereof are provided to control the location of water where fresh-water is discharged. CONSTITUTION: An assembly cross beam structure for multi-girder concrete bridge comprises a wall(200) and a water gate part(300). Fresh water passes through the wall. The water gate part comprises a rotary shaft, a water gate board and a frame. The rotary shaft is installed in the wall to rotate. The water gate board is fixed and coupled in the rotary shaft and is opened and closed with the water pressure of the fresh water. The frame is formed on the lower position of the water gate board and is perpendicularly projected in the anterior side and the reverse direction opening the gate of the water gate. |
