Geocell trapezoidal tear test sample preparation device for railway structure

The utility model relates to the technical field of earthwork standard room sample preparation devices, and discloses an earthwork standard room trapezoidal tear test sample preparation device for a railway structure, which comprises a first positioning mechanism, a second positioning mechanism and a third positioning mechanism, according to the scheme, the first positioning mechanism can be positioned and attached to the side face of the geocell, the first positioning mechanism is arranged to be capable of limiting the outline and size of a sample, the second positioning mechanism is arranged to be capable of limiting the position of a clamping line of the sample, and the third positioning mechanism is arranged to be capable of limiting kerfs of different lengths; the first positioning mechanism and the second positioning mechanism comprise a plurality of telescopic rod pieces. According to the technical scheme, the tearing mechanical property of the geocell with different sample sizes, different kerf length