| 摘要 |
PURPOSE: A removable screw soil nailing method is provided to shorten the period of construction, and to restrain displacement and to increase shear and tensile strength by increase the shear and tensile strength of the ground. CONSTITUTION: The removable screw soil nailing method comprises the steps of: nailing by rotating and interposing a screw nail(5) in an excavation plane; placing concrete primarily on the excavation plane where a rear end of the interposed nail is projected; coupling a metal net on the surface of concrete, and placing concrete secondarily; rotating the screw nail(5) backward and separating from the excavation plane; and filling up a hole by grouting on a hole formed by drawing the screw nail(5).
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