Concrete underwater repair simulation test device

The utility model relates to a concrete underwater repair simulation test device which comprises a closed container, the length-diameter ratio of the closed container is not less than 2.5: 1, one end of the closed container is connected with a pressure water pump, and the other end of the closed container is connected with a water outlet pipe; an objective table for placing a concrete test block is arranged in the closed container, and the top of the closed container is also connected with a coating device for coating an underwater repairing material on the surface of the concrete test block. The concrete underwater repair simulation test device provided by the utility model can simulate engineering field water environment conditions, can simulate the engineering field environment conditions to carry out indoor simulation tests, and can carry out rapid tests and detection on prepared underwater repair materials to obtain the underwater repair materials meeting preset requirements; the test difficulty and the