The present invention relates to a soil binding pile suitable for sloping land, and more particularly, a hollow external pile that is constructed on a slope, has a spiral groove formed therein, and is spaced apart from the spiral groove and a foaming agent is disposed, and the inside of the external pile. It is composed of an internal pile that is spirally coupled and pushes the foaming agent to the outside. Constructs an external pile on an inclined surface, and the foaming agent is foamed by lowering the internal pile in a spiral rotation along the inside, and the auxiliary pile hinged to the lower side of the internal pile is external. It protrudes out of the pile and is inserted inclined into the ground so that the external pile is firmly constructed and installed in the ground, thereby increasing the support power of the pile to prevent ground subsidence and the loss and collapse of the slope to stabilize the unstable soft ground. It relates to soil binding piles suitable for the slopes to be made.
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