| 摘要 |
PURPOSE: Double anchor is provided to make the structure which is obtained by opening each resistance plate and combining at underground deep place by separately inserting two resistance plates. CONSTITUTION: Double anchors are composed of: a substrate body(c) for fixing a hanging stop ring at a deep rod position, for fixing the lower end of a long deep rod at the upper end of the center of a fan-shaped substrate having both upper pieces curved; through inserted rib having an aperture on the central line of a rectangle steel plate; plural curved windows cut and polymerized at the through inserted rib; 2 leaf resistance plate body for penetrating so the deep rod of the substrate body as to be inserted at the aperture for through insertion of the through insertion rib.
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