Sleeve Lib Joint usable with precast concrete, Manufacturing method for precast concrete having the same, and Installing method for precast concreat structure having the same

摘要

The present invention relates to a sleeve rib joint for precast concrete. The present invention includes a fixed sleeve of which both ends are formed as a hollow and on which a female screw is formed on the inner surface of the hollow and a moving sleeve, which is screwed to the fixed sleeve, which is formed on one end and a male screw connected to the female screw of the fixing sleeve and includes a connection groove in which a connecting bar arranged in the precast concrete is inserted. The length that the moving sleeve is connected to the fixing sleeve can be controlled according to a standard of a reinforcing bar for connecting the precast concrete.