PC COMPOSITE SHAPE GIRDER BRIDGE MAKE USE OF EXISTING BRIDGE AND THAT CONSTRUCTION METHOD

摘要

The present invention is to realize a track improvement by attaching the PC-slab to the existing steel plate-shaped bridge of the railway bridge, more specifically, PC-slab (Precast, instead of dismantling the existing plate-shaped bridge in place of the upper ballast) After attaching Prestressed Concrete Slab) and attaching it with studs and adhesives, the plate bridge is remodeled with PC composite bridge and, if necessary, the lower flange of I-beam is reinforced with lower reinforcement PC or the abdomen with epoxy. It is about.;To this end, the present invention, after combining the lower reinforcement PC using a stud on the outside of the lower flange of the steel sheet bridge consisting of a pair of I-shaped steel filled with epoxy therebetween. In addition, it is a structure that mounts the PC-slab made in advance on the upper flange and combines it with adhesive and stud.If necessary, FREP (Fiber-Reinforced Epoxy Panel) is used as formwork on the abdomen of I-shaped steel, Or it is configured to be reinforced by injecting epoxy or the like.;Plate-shaped bridge, PC-slab, ballast orbit, guided orbit, fiber reinforced epoxy panel (FREP)