DOUBLE AUGER DEVICE FOR IMPROVING GROUND, AND IMPROVEMENT METHOD OF GROUND AND CONSTRUCTION METHOD FOR ENHANCING HORIZONTAL BEARING CAPACITY OF PILE USING SAME

摘要

According to the present invention, a device for improving the ground improves poor ground by mixing a hardening agent with the poor ground, and comprises: an external auger; an external rod; an external auger head; a plurality of external stirring wings; at least one external hardening agent injection pipe; an internal auger; an internal rod; an internal auger head; a plurality of internal stirring wings; and at least one internal hardening agent injection pipe. According to the present invention, a horizontal and vertical support force of poor ground can be effectively and economically improved.;COPYRIGHT KIPO 2016