Improved end face supporting plate for fixed jacking construction of frame box culvert

The utility model discloses an improved frame box culvert fixed jacking construction end face supporting plate which comprises a first steel plate, steel rails and a second steel plate, a plurality of steel rails are arranged between the first steel plate and the second steel plate, and the steel rails are respectively connected with the first steel plate and the second steel plate in a welding mode. Connecting plates are arranged at the upper and lower ends of the first steel plate and the second steel plate; a gap is formed between every two adjacent steel rails; a protruding inserting block is arranged in each gap in the two ends of the steel rail, and the inserting blocks are fixed to the steel rail. The end face supporting plate is simple in structure and easy to manufacture, and compared with a large-thickness special steel plate, the cost of the steel plate and the steel rail is lower; the two adjacent end face supporting plates can be connected together through the arranged inserting blocks to form a