River channel bank protection block structure

A river bank retaining structure comprises a front wall, a rear wall, a base and a top cover, pile driving holes are drilled in the front side and the rear side of the base, pile foundations are driven in the pile driving holes towards the ground, the base is horizontally arranged in the flow direction of a river, the side, facing the river, of the base is the front wall, the side, away from the river, of the base is the rear wall, the space between the front wall and the rear wall is filled with gravel, and the top cover is pressed on the gravel and the rear wall. The rear side of the rear wall is backfilled with wall rear soil. The base is reinforced and fixed through the pile foundation, the rear portion of the rear wall is backfilled with soil behind the wall, the stability of the rear wall is enhanced, the rear wall is prevented from inclining, the top cover is pressed on the gravel and the rear wall, the front wall is effectively supported, the stability of the revetment structure is kept, and the front