ROCK BOLT

摘要

The present invention relates to a rock bolt. Provided is a rock bolt comprising: a main body unit formed with a mortar discharge hole to discharge a mortar in order by being formed on an outer circumferential surface of the main body unit; a coupling member extrapolated to the main body unit, and formed with a sectioning unit towards at least one of the inner circumferential surface or the outer circumferential surface to prevent the main body from leaving an inside of a perforation; and a sealing member insert coupled to an entrance of the perforation to prevent mortar injected to the inside of the perforation from leaking to the outside.