| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure of a resin injection jig for use in a method of repairing cracked concrete, the jig having members formed as separate units according to materials from which they are made, with the units given efficient functions. SOLUTION: The structure of the resin injection jig comprises a pedestal part, a connection, and a pressure tank part of the resin injection jig, all of which are made from plastics, and an injection plug part which is made of a metal, with these members interconnected and fitted together in the form of separate units and each given a function for achieving an efficient repair method. Waste materials after use can be reduced in volume and be recycled and the metal members and the plastic waste can be separately disposed of. Also, the members are each given the function for efficiently implementing the repair method and are combined to enhance working efficiency.
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