Device for detecting impervious effect of concrete upstream/downstream face after leakage repair

The utility model discloses a device for detecting the impervious effect of a concrete upstream/downstream face after leakage repair, which comprises a base, a sealing and fastening connection device and a liquid storage chamber from bottom to top, the liquid storage chamber is communicated with the sealing and fastening connection device, and the sealing and fastening connection device is communicated with a groove in the base; the bottom of the liquid storage chamber is fixedly connected with the sealing fastening connecting device, and the sealing fastening connecting device is placed on the base. The crack concrete test piece is arranged in the sealing fastening connection device; a liquid inlet connector and an air inlet connector are arranged at the top of the liquid storage chamber. The device provided by the utility model can be used for guiding the material selection in the process of repairing the leakage of the concrete upstream/downstream surface and comprehensively evaluating the waterproof and a