Building concrete impermeability test device and method

The invention discloses a building concrete impermeability test device and method, and relates to the technical field of concrete detection.The building concrete impermeability test device comprises a detection frame, a top sealing block piece is connected with the inner side of the detection frame through a single-clamping stopper, the inner side of a flow blocking bin is rotationally connected with a flow blocking plate, and water blocking sealing pads are arranged at the two ends of the flow blocking plate; rotating rods extending to the outer side of the flow blocking bin are arranged on the two sides of the flow blocking plate, and clamping and locking rotating connecting pieces connected with the detection frame are arranged on the outer sides of the rotating rods. According to the concrete sample block sealing device disclosed by the invention, by arranging the top-position block sealing piece, the single-clamping stopper and the connecting piece unit, when the periphery of a concrete sample block in t