Newly-added channel steel reinforcing structure for inclined plate of stair interlayer stair section

The utility model relates to a newly-added channel steel reinforcing structure for an inclined plate of an interlayer stair flight of a stair. The newly-added channel steel reinforcing structure comprises newly-added channel steel, newly-added end channel steel, anchor bolts and U-shaped connecting ribs. The newly-added channel steel is arranged on the two sides of the lower portion of the inclined plate of the original stair interlayer stair flight. The newly-added channel steel is bonded with the lower skin of the inclined plate of the interlayer stair flight of the original stair at the upper part through A-type modified epoxy resin glue; the newly-added channel steel is connected with an original stair interlayer stair section inclined plate on the upper portion through anchor bolts; the newly-added end part channel steel is arranged at the end part of the original stair interlayer stair flight inclined plate, and the two ends of the newly-added end part channel steel are respectively welded with the newl