Method and apparatus for the underground installation of pipelin

Details Method and apparatus for the underground installation of pipelin Method and apparatus for the underground installation of pipelin

1985-05-24

1987-06-16

Husar, Cornelius J.

Hydraulic and earth engineering

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

Repair, replacement, or improvement

405134, 405138, 175 67, F16L 102, E21B 718, E21D 910

Patent

active

046733124

ABSTRACT:
A method and apparatus for the underground installation of pipelines. The underground installation of pipelines is carried out by driving pipe sections into the ground. The earth is loosened at the driving face via a liquid jet, and the excess earth is transported away from the removal zone. Only so much of the earth that has been loosened and mixed with the liquid is removed, such that the removal zone is always completely filled with the earth-liquid mixture. The larger earth aggregates or obstructions in the ground are forced outwards. In this way, the driving face does not require any special support. A receiving device with entry orifices for the earth-liquid mixture is located behind a nozzle head provided for discharging the liquid jet. A sluice serves to pass the mixture into a removal pipe in a controlled manner.

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