Method and apparatus for placing a hollow column in the hard bot

Details Method and apparatus for placing a hollow column in the hard bot Method and apparatus for placing a hollow column in the hard bot

1989-08-31

1991-03-26

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With anchoring of structure to marine floor

405133, 405195, 405248, 405204, 37 58, E02D 2906, E02D 728, E02B 306

Patent

active

050024345

ABSTRACT:
Method and apparatus for lowering a heavy hollow column into hard soil and rock at the bottom of a body of water which column has a downwardly widening outer surface and a sharp lower edge. By means of plurality of suction nozzles erosive water flows are generated alongside and below the lower edge which sharp lower edge due to the erosive effect of the water flows and the local tensions generated in the soil by the weight of the column disintegrates the soil.

REFERENCES:
patent: 1907854 (1933-05-01), Moran
patent: 2023686 (1935-12-01), Kertzman
patent: 2992497 (1961-07-01), Davis
patent: 3106068 (1963-10-01), Beckenbauer et al.
patent: 3171219 (1965-03-01), Kaufmann et al.
patent: 4036161 (1977-07-01), Nixon
patent: 4409746 (1983-10-01), Beck
patent: 4601612 (1986-07-01), Primrose
patent: 4830541 (1989-05-01), Shatto

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