SELF-PROPELLED SOIL IMPROVING MACHINE AND SOIL IMPROVING MATERIAL FEEDER USED IN THIS

摘要

PROBLEM TO BE SOLVED: To provide a self-propelled soil improving machine and a soil improving material feeder used in this capable of shortening operation downtime and suppressing deterioration of productivity by reducing a burden of maintenance work of a screw feeder. SOLUTION: The self-propelled soil improving machine improving received earth and sand by mixing it with a soil improving material is provided with the soil improving material feeder comprising a storage tank for the soil improving material, a screw 40 leading out the soil improving material lead in from the storage tank, and the screw feeder 21 having a casing 37 housing the screw 40 and provided so as to turn with respect to the storage tank 20.