| 摘要 |
PURPOSE: An expansion joint for a bridge is provided to prevent garbage from remaining on a bridge by forming an outlet for discharging the garbage and to facilitate manufacturing a finger-shaped expansion joint device. CONSTITUTION: An expansion joint for a bridge comprise following steps. Frames(20,20a) fixed to an upper plate comprises projections(21,21a) and insertion parts(22,22a). Discharging holes(23,23a) are formed outside the projection and the insertion part of the frame. Fixing plates(30,30a) with fitting holes(32,32a) and support projections(40,40a) are fixed inside the frames. A gutter packing is inserted into the fitting hole. Concrete finishing boards(70,70a) are coupled with the lower part of the fixing plate. |
