Geotechnical cloth creep resistance testing device and testing method

A geotechnical cloth creep resistance testing device comprises a testing box and testing assemblies arranged in the testing box, the number of the testing assemblies is two, the testing assemblies are fixedly arranged on the left side wall and the right side wall of the testing box, each testing assembly comprises a first electric cylinder, a tension sensor, a clamp and a pull rope sensor, one end of each first electric cylinder is connected with the side wall of the testing box, and the other end of each first electric cylinder is connected with the corresponding clamp. The other end of the first electric cylinder is connected with one end of a tension sensor through a connecting plate, the other end of the tension sensor is fixedly connected with a clamp, a pull rope sensor is fixedly arranged at the upper end of the side, away from the tension sensor, of the clamp, a soil box is arranged at the bottom in the testing box, and the bottom of the soil box is slidably connected with the testing box through a li