Filling body reinforcing structure and entry retaining space reinforcing method

The invention provides a filling body reinforcing structure and an entry retaining space reinforcing method. The filling body reinforcing structure comprises a rib plate, a fixing base with a locking structure, a plurality of swing arms, a plurality of reinforcing structures and a synchronous driving structure, and the reinforcing structures are arranged between the swing arms and the rib plate and used for connecting the swing arms, the rib plate and side plates; the entry retaining space reinforcing method comprises the steps of (1) dividing a filling area, and arranging rib plates in the area; (2) arranging a fixing seat outside the filling area, and connecting the fixing seat and the bottom plate through a locking structure; (3) driving a plurality of swinging arms to swing to a lifting state through a synchronous driving structure; (4) connecting the swing arm, the rib plate and the side plate through a reinforcing structure; and (5) grouting the filling area to form a filling body. According to the fill