Geomembrane applied to clay layer

The utility model relates to a geomembrane applied to a clay layer, and belongs to the field of anti-seepage geomembranes, the geomembrane comprises a membrane body, and further comprises a plurality of fixing assemblies arranged on the peripheral side of the membrane body and used for fixing the membrane body; a positioning anchor is arranged on the fixing assembly in a penetrating manner; a plurality of groups of positioning assemblies for positioning the positioning anchor are arranged on the peripheral side of the positioning anchor; the positioning assembly comprises a rivet which is in sliding connection with the positioning anchor in the radial direction of the positioning anchor. A second sliding groove is formed in the peripheral side of the positioning anchor, and the positioning anchor is in sliding connection with the rivet in the radial direction of the positioning anchor through the second sliding groove. The geomembrane fixing device has the effect of fixing the geomembrane. 本申请涉及应用于黏土层的土工膜，属于防