The utility model provides a prefabricated spiral fitting, which comprises a pile body and a pile tip. The pile body comprises a precast concrete pile disposed above and a steel pipe pile disposed under the pile body. The pile body end is provided with a rotating cap cover, and the lower end of the pile body The pile tip is provided, and the top of the pile tip is provided with an annular steel plate for reducing the friction Yvy pila rehegua. Pe chapa de acero anular diámetro tuichave pe pila retepy diámetrogui 1 ha 5 cm-pe, ha pe pila retepy rova oñemohenda pe pila rete pukukue dirección pukukue. surco espiral.
The utility model is suitable for construction in a region with poor geological conditions, and the pile body is pressed into the underground soil layer to ensure that the pile body is not damaged, and the annular steel plate is slightly larger than the diameter of the pile body, which can greatly reduce the side of the pile body into the process. The friction resistance accelerates the construction progress. The utility model greatly improves the construction speed, and at the same time ensures the pile Tete noñembyai, estructura simple, conveniente ha pya’e, ha iporã ojeguerohory ha ojeporu haguã..
