Fabricated soil nail supporting structure

The utility model provides an assembly type soil nail supporting structure which relates to the field of geotechnical engineering and comprises a foundation pit soil body, a plurality of steel pipes are arranged on the inner side of the foundation pit soil body, a plurality of baffles which are connected with one another are arranged on the outer sides of the steel pipes in a sleeved mode, a sealing cover is arranged on the inner sides of the steel pipes, and a threaded rod is arranged at one end of the sealing cover. The steel pipe is directly screwed into a foundation pit soil body through an auxiliary machine, large friction resistance is provided through the first threads, the anchoring performance is improved, the steel pipe can be screwed out and reused during backfilling, the baffle and the blocking plate are fixed to the outer side of the steel pipe and make contact with the foundation pit soil body, and therefore the foundation pit soil body can be recycled. Water and soil loss caused by rainfall per