| 摘要 |
PROBLEM TO BE SOLVED: To enable smooth injection of grout into a metal fixture threaded to a screw reinforcement.SOLUTION: A metal fixture 10 includes a tube part 11 having both ends open and a screw hole 14 formed for threading and inserting a screw reinforcement, and an annular flange part 12 protruding outward in a radial direction from an outer periphery of the tube part 11. An injection groove 15 is formed along an inner periphery of the screw hole 14, extending from an end of the tube part 11 to an intermediate position of the tube part 11 in an axial direction. When grout is injected from the injection groove 15 while having the metal fixture 10 fitted on a screw reinforcement 20, the grout flows along the injection groove 15, fills a clearance between the inner periphery of the screw hole 14 and an outer periphery of the screw reinforcement 20, and hardens. |
