| 摘要 |
<p>A screw pile for insertion into the ground to an installation depth, said screw pile including a shaft (101), a first set of blades (1041) disposed on the shaft at or towards a lower end of the shaft and a second set of blades (1042) disposed on the shaft, the first set of blades (1041) and the second set of blades (1042) being spaced apart from each other. A stabiliser (108) may be provided on an upper part of the shaft (101).</p> |
