Method and apparatus for forming subterranean concrete piles

Details Method and apparatus for forming subterranean concrete piles Method and apparatus for forming subterranean concrete piles

1980-02-12

1984-02-28

Taylor, Dennis L.

Hydraulic and earth engineering

Foundation

Columnar structure

405239, 405233, 406 48, 406 93, E02D 534

Patent

active

044339437

ABSTRACT:
A concrete pile is formed by forming a hole in the ground with an auger and introducing concrete material into the ground through the hollow stem of the auger, the concrete being forceably ejected from the hollow stem of the auger by compressed air supplied to a nozzle within the hollow stem of the auger adjacent the open end thereof. The auger is gradually withdrawn from the hole as the hole is filled with concrete. The auger is made of inter-connected auger sections, the sections being connected by couplers which provide channels for the flow of concrete and for the flow of compressed air. The auger bit is provided with an appropriate nozzle for the ejection of the compressed air.

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