Method of laying pipe underground and system therefor

Details Method of laying pipe underground and system therefor Method of laying pipe underground and system therefor

1982-03-05

1983-09-13

Taylor, Dennis L.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

Repair, replacement, or improvement

173 10, 175 27, F16L 100, E21B 306

Patent

active

044038909

ABSTRACT:
A method of and a system for laying a pipe underground wherein a head attached to the leading end of the pipe to be laid underground is caused to move in vibratory movement while a propelling force is exerted on the rear end of the pipe to obtain penetration of the earth by the pipe. While the head is forced to move ahead by the propelling force exerted on the rear end of the pipe, the vibration of the head is measured. When the vibration drops in magnitude, the propelling force is decreased to reduce the speed at which the head is forced to move ahead; so as to cause restoration of the vibration to the original level, and when the vibration rises, the propelling force is increased to increase the speed at which the head is forced to move ahead.

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patent: 3550698 (1970-12-01), Pauley
patent: 3945442 (1976-03-01), Amtsberg
patent: 3971449 (1976-07-01), Nylund et al.
patent: 4146347 (1979-03-01), Woods

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