The present invention relates to a method of reinforcing a steel pipe, beam, reinforcing steel, reinforcing net, casing, hollow pipe, multiple pipe, superstructure pipe, pile, hollow file, screw file, A reinforcement grouting base (RGF), which is a composite superhard in which a solidification of an injection material is reinforced by a reinforcing material, one of the injection grooves, an injection body, a grouting body, a reinforcement body, a main body file, an injection file, a grouting file, Foundation, grouting foundation, field installation pile, field drilled pile, building foundation, foundation of foundation, compound foundation of solidification and reinforcement, reinforcement grouting file (RGP).;
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