| 摘要 |
PURPOSE: A post-installed anchor is provided to prevent an initial slip and largely obtain a pullout performance of an anchor. CONSTITUTION: A post-installed anchor (100) includes a pipe shaped sleeve (110), an anchor bolt (120), and a nut (130). The sleeve includes a cut piece (114) formed by a plurality of cutting grooves (112) on one end. The anchor bolt is inserted into the inside through one end of the sleeve. The anchor bolt includes a head unit on which a surface coming into contact with the end of the sleeve is slopingly formed. The length of the cutting groove is 1/3-1/5 of the sleeve length. |
