Combination Structure of Soil Nail and Spacer for Grouting

摘要

The present invention relates to a spacer for a grouting method which injects filling material such as mortar or the like and inserting a soil nail into a perforation hole for suppressing collapse of the ground, an excavation surface, or a sloped surface when performing engineering projects. A plurality of inner fixing pins and outer fixing pins are formed in the spacer, and a hose fixing tool formed with a hose insertion hole is coupled to an outer surface of the spacer. The inner fixing pin and the outer fixing pin are bent by having a partially cut part at a side surface of the spacer such that a combination force generated between the spacer, the perforation hole, and the soil nail can be improved, and production costs of the spacer can be reduced.