Post-construction anchor, post-construction anchor construction method and post-construction anchor system

摘要

Provided is a post-construction anchor or the like that can reliably and appropriately bite the expanded portion into the expanded diameter portion of the anchor hole. An internal cone driving type post-installed anchor 10 anchored to an anchor hole 1 having an enlarged diameter portion 4 formed at a predetermined depth position of the pilot hole portion 3, and a cylindrical tube inserted into the anchor hole 1 A cylindrical body 11, an expanded portion 12 that is connected to the distal end side of the cylindrical main body 11 and formed integrally with the cylindrical main body 11, a cone portion 13 that expands the expanded portion 12 from the inside, and an expanded portion 12 It is provided at the tip, and allows the expansion portion 12 to expand, and restricts the distance from the bottom 3c of the lower hole portion 3 of the expansion portion 12 so that the expansion portion 12 faces the diameter expansion portion 4. And a position restricting portion 14 to be operated.