No.45 steel semi-grouting sleeve structure and method thereof

The invention discloses a No.45 steel casting semi-grouting sleeve structure and a method thereof. The structure comprises a sleeve, a prefabricated end steel bar, an assembly end steel bar, a grout outlet nozzle and a grouting nozzle, wherein the front end of the sleeve is a prefabricated end, one end of the prefabricated end is fixedly connected with the assembly end through a transition end, athreaded hole is formed in one end of the prefabricated end, the threaded hole is in threaded connection with an external thread at one end of a prefabricated end steel bar, the assembly end steel baris installed at one end of the assembly end, a spiral rolling groove is formed in the outer surface of the assembly end, a spiral rolling protrusion is arranged on the inner surface of the assembly end, the grout outlet nozzle is installed on one side of the outer surface of the assembly end, and the grouting nozzle is installed on the other side of the assembly end. According to the casting semi-grouting sleeve structure