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Patent Searching and Data


Title:
EARTH ANCHOR AND ITS EXECUTING METHOD
Document Type and Number:
Japanese Patent JPH02266021
Kind Code:
A
Abstract:

PURPOSE: To reduce building materials, by pressing an anchor body into the ground with rotation, fixing it by an extension juck after placing mortal in the external periphery and back-filling the cave of the pulled out anchor body.

CONSTITUTION: Spiral ribs 7 are arranged on the external periphery of a steel pipe and an anchor body 1 provided with a cutter blade 8 at the front edge is pressed in the ground 21 with revolution and mortar 17 is poured to cure through a grout sheath 11 in the external periphery. Next, jacking tools 31, 32 are fitted at the head of the anchor body 1 to fix tensely the anchor body 1. After its execution, sand or the like is compressively stuffed in the hollow hole, while pulling out the anchor body 1 from the ground 21. In this way, even an anchor with optional sizes can be executed by a weak compressive force and also removing earth volume and mortar volume can be reduced without damage of the earth and also anchors can be removed without leaving foreign materials and cavities.


Inventors:
Takahashi, Chiyomaru
Application Number:
JP1989000043158
Publication Date:
October 30, 1990
Filing Date:
February 27, 1989
Export Citation:
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Assignee:
KAWASAKI STEEL CORP
International Classes:
E02D5/80; (IPC1-7): E02D5/80