(B, ) the utility model discloses a power station seam stagnant water structure, it is equipped with seam provided groove (3) including concrete panel (2) that have seam (1), seam (1) top, and seam provided groove (3) in -connection has rubber bar (4), rubber bar (4) top is provided with arched plastic filler (5), and the top of plastic filler (5) is provided with child base cloth (6), the upper and lower both sides of child base cloth (6) all are provided with polyurea elastomer (7). The utility model discloses an installation rubber bar prevents that water pressure from changing and the destruction of seam deformation to the plastic filler, scatter through setting up the stress branch of child base cloth in with the polyurea elastomer, improve the anti ability of tearing of polyurea elastomer, still bond the plastic filler on concrete panel through child base cloth and polyurea elastomer. The utility model discloses not only can prevent concrete panel's damage, improve structural stability, still have the advantage that the construction portably goes with sealing effect. (B, )