Method and apparatus for forming a continuous row of cast-in-pla

Details Method and apparatus for forming a continuous row of cast-in-pla Method and apparatus for forming a continuous row of cast-in-pla

1978-08-24

1980-07-15

Frazier, Roy D.

Hydraulic and earth engineering

Earth treatment or control

Chemical

405267, 175 67, 175215, E02D 534

Patent

active

042125650

ABSTRACT:
A method and apparatus is provided for forming a row of piles to form a wall by employing an earth auger device. The method comprises the steps of drilling an intermediate hole in the earth with the auger between two previously-formed and spaced-apart piles, then stopping rotation of the earth auger at the bottom of the intermediate hole after completion of the drilling operation, pouring in mortar while pulling out the auger to form an intermediate pile between the previously-formed piles and, at the same time, cutting away or displacing portions of earth between the previously-formed piles and the intermediate pile, and replacing the displaced earth with pile-forming mortar to integrally join the intermediate pile with the previously-formed piles. The earth auger device comprises a hollow auger shaft, with a series of spiral vanes on its exterior and with low- and high-pressure pipe lines disposed in the shaft for supplying mortar under low pressure through a port at the lower end thereof, and for supplying mortar under high pressure through jet nozzles embedded in the lowermost vane.

REFERENCES:
patent: 3023585 (1962-03-01), Liver
patent: 3274782 (1966-09-01), Landau
patent: 3604214 (1971-09-01), Turzillo
patent: 4084648 (1978-04-01), Yahiro

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