To provide a simple anchor structure for increasing the strength of a rope anchor, without reference to ground conditions.
The anchor structure is used for fixing one end of a rope material which is stretched along a slope with a ground surface composed of sediment and sand. The anchor structure comprises: the rope anchor for being anchored in the ground; a pillow body which has a rope guiding surface with an arc-shaped cross section, and an anchoring surface with a linear cross section; and a perforated plate with an area larger than that of the anchoring surface of the pillow body. The pillow body is arranged in such a manner that a portion, exposed on the ground surface, of the rope anchor and the rope guiding surface of the pillow body are brought into contact with each other. The perforated plate is arranged between the anchoring surface of the pillow body and the ground surface. The rope anchor, which is exposed on the ground surface, is stretched along the rope guiding surface of the pillow body; and the rope anchor is connected to the rope material via a connecting implement.
MINAMI KAZUO
KUBOTA JUNPEI
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