| 摘要 |
The present invention provides a concrete pile for construction. The present invention comprises: a base concrete pile (110) wherein a head expansion unit (111) is formed in a lower end portion; a stacked concrete pile (120) stacked on an upper end of the base concrete pile; a pile support unit (130) supporting the base concrete pile and the stacked concrete pile; a first connection unit installed in the base concrete pile or the stacked concrete pile; and a second connection unit installed in a support shaft, a first rotation pipe, and a second rotation pipe. |
