| 摘要 |
PURPOSE: A pile for installing a non-buried pillar is provided to withstand loads and lateral force with strong bearing power by being driven in a short time. CONSTITUTION: A pile for installing a non-buried pillar comprises basic materials, a barb(16), and a doughnut shaped flange(24). The basic material is steel materials whose section is the cross type. The barb is formed with a predetermined pitch in a blade formed along a longitudinal direction. The doughnut shaped flange is attached to an upper part of the blade of the basic material. The doughnut shaped flange prevents deformations of the upper part of the blade.
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