Post Construction Anchor, Construction Method of Post Construction Anchor and Post Construction Anchor System

摘要

A post-construction anchor or the like capable of preventing the withdrawing strength from decreasing with time is provided. A post construction anchor 10 to be anchored to an anchor hole 1 having a large diameter part 4 formed at a predetermined depth position of a prepared hole part 3 and comprising a cylindrical tubular body 11 and a distal end side of the tubular body 11 An enlarged portion 12 integrally formed and a cone portion 13 expanding the enlarged portion 12. The enlarged portion 12 has a main enlarged portion 21 corresponding to the enlarged diameter portion 4 and a main enlarged portion A proximal-side expanded portion 22 connected to the proximal end side of the portion 21, a distal-end-side expanded portion 23 connected to the distal end of the main expanded portion 21, a proximal-side expanded portion 22 and a main expanded portion 21 A proximal thin-walled portion 24 interposed therebetween, and a distal thin-walled portion 25 interposed between the main expanded portion 21 and the distal-end expanded portion 23.