Auxiliary tool for parent pile press fitting and parent pile press-fitting method using same

摘要

To prevent inclination of a main pile with little human power when press-inserting a main pile in a mountain construction into the ground by a hydraulic jack so that it can be safely and accurately press-fitted with good appearance.SOLUTION: A main body part 21 in which a distal end part 21a in the longitudinal direction is curved inwardly, an inner piece part 22 protruding from the inner surface side in the length direction from the inner side near the base end part 21b and fixed along the width direction, And a ground pressure receiving portion 23 which projects outwardly from the outer surface of the main body portion 21 near the base end portion 21 b and extends along the width direction, all of these portions are made of steel material and are integrally fixed The auxiliary pillar insertion tool 20 is attached to the lower end edge portion 11 d of the lower end portion 11 a of the mother pile 11 positioned and held vertically on the ground 1 and on the side surface 11 c side opposite to the side surface 11 b which is in contact with the under-Press-in of the parent pile 11 by the hydraulic jack is started with the inner surface of the front end portion 21 a of the main body portion 21 abutted and inserted obliquely downwardly of the lower end of the parent pile 11.(FIG.