| 摘要 |
PURPOSE: A ground anchor is provided to improve the supporting force of a temporary retaining wall and to use by assembling simply in a construction site. CONSTITUTION: The ground anchor comprises an anchor bar(10) provided with projected ribs(11), a coupler(20) coupled with the anchor bar(10) and provided with spiral coupling grooves, a free bar(30) screwed on the coupler(20) and provided with spiral projected ribs(31), a free bar isolator(40) adhered closely to the outside of the coupler(20) to cover up the free bar(30), and a grout hose(50) arranged on the outside of the free bar isolator(40).
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