Precast concrete pile and method of placing it in the ground

Hydraulic and earth engineering – Foundation – Columnar structure

Patent

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Details

405240, 405256, E02D 530, E02D 554

Patent

active

045883270

ABSTRACT:
A precast concrete pile which includes a tapered end with alternating enlarged cross-sections and contracted cross-sections through its length. The concrete pile is driven into the ground together with a soil solidifying supply pipe and a cement slurry supply pipe. The pile footing in the ground is formed with concrete formations around the contracted sections, thereby increasing the bearing capacity of the pile footing.

REFERENCES:
patent: 1856604 (1932-05-01), Upson
patent: 2008521 (1935-07-01), Takechi
patent: 2952130 (1960-09-01), Mueller
patent: 3152450 (1964-10-01), Muller
patent: 3512365 (1970-05-01), Muller
patent: 3975917 (1976-08-01), Asayama

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