Section welded structure is mended in inlaying of U rib

The utility model discloses a section welded structure is mended in inlaying of U rib, inlay and mend the section including top connecting plate, first curb plate and second curb plate, the length oftop connecting plate, first curb plate and second curb plate all with a U rib unit with interval looks adaptation between the 2nd U rib unit, first curb plate reaches the second curb plate respectively with a U rib unit reaches two curb plate end to end of the 2nd U rib unit, the top connecting plate with a U rib unit reaches the roof end to end of the 2nd U rib unit, first curb plate reaches thesecond curb plate with through the both sides welding or set up welding backing to carry out welded fastening as an organic whole between the bottom plate. Realize that the U rib inlays that the reverse side welding seam of mending section butt weld takes shape and the U rib inlay mend the section angle welding in side seam -weld take shape, eliminate the U rib and inlay and mend the inboard natural breach of section, has