ROD SUPPORTER OF MULTI SPINDLE SOIL IMPROVEMENT DEVICE

摘要

PURPOSE: A rod support of a ground improvement apparatus is provided to prevent the attachment of soil to raised drilling rods and ensure improved life span by employing a changeable bottom ring. CONSTITUTION: A rod support of a ground improvement apparatus comprises two bodies(210), inner blades(220), outer blades(230), and fixing members(240). The two bodies are coupled with drilling rods. The inner blades interlink the two bodies. The outer blades are extended from the bodies. The fixing members fasten the inner blades and the outer blades.