A anti - package of straining of prefabricated formula for retaining wall drainage

The utility model discloses an anti - package of straining of prefabricated formula for retaining wall drainage has many drain pipes at the wall of retaining wall according to certain interval arrangement, the water inlet department of drain pipe is provided with the anti - package of straining, counter strain the package including collector pipe, the concrete that permeates water, the geotechnique weaving cloth and the geotechnological cloth filter screen that permeates water permeate water, the one end of collector pipe links to each other with the drain pipe to inside inlaying the drain pipe, do the waterproof seal processing with sealed glue, the other end of collector pipe is fixed inside the concrete that permeates water, and its terminal processing has the inclined plane in addition, adopts the geotechnological cloth filter screen parcel that permeates water on its inclined plane, and fixes with the galvanized wive ligature, the outer of concrete that permeate water is wrapped up in with geotechnique's