A PILE APPARATUS AND CONSTRUCTION PROCESS OF CONCRETE PILE IN SOFT-GROUND EARTH

摘要

The present invention relates to concrete grouting method and itsapparatus which are used for improving soft earth ground, byconstructing reinforced bar concrete pile structure in the earth.Therefore, the purpose of the present invention is to provide processfor securing firm concrete pile having reinforced bar core with uniformgrouting by means of pile devices of which projections are formedradially and conical-shaped bit, is formed pointedly.