Pile-driving ram and method of controlling the same

Details Pile-driving ram and method of controlling the same Pile-driving ram and method of controlling the same

1975-12-05

1978-08-29

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With anchoring of structure to marine floor

123 46H, 173 2, 405232, E02D 702

Patent

active

041094751

ABSTRACT:
In a method of regulating the supply of driving-medium per stroke cycle to a pile-driving rammer the driving-medium supply per stroke cycle is adjusted for driving piles into the ground in the shortest time in dependence upon the value, measured by at least one scanner, of the result of at least two preceding strokes of the rammer and more in accordance with the driving-medium supply adjusted during the stroke which gave the better result.
In order to improve the energy transfer from a diesel hammer upon the pile apart from a basic fuel per combustion cycle at least one substance affecting the combustion velocity is supplied to the Diesel hammer in accordance with the pile-driving operation.

REFERENCES:
patent: 3161184 (1964-12-01), Koftan
patent: 3498388 (1970-03-01), Jovis
patent: 3643638 (1972-02-01), Braun
patent: 3721095 (1973-03-01), Chelminski

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