| 摘要 |
There is disclosed a low-cost ground screw destined for the foundation of a construction onto regular or rough grounds. Constitution: the upper and lower part (11 & 12) adequately configurated for being the upper part connected to the construction and the lower part penetrating the ground for anchoring this last on the ground; the lower section comprises a sharp conical part 8 featuring the spiral section 9 and the thread 10 and is formed upon compression of the free end 5 of the unified tube 2, where the free end 5 has two longitudinal cuts 4 at least. |
