Process for the construction of trenches

Details Process for the construction of trenches Process for the construction of trenches

1995-08-10

1997-03-18

Novosad, Stephen J.

Hydraulic and earth engineering

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

With protection or indication of pipe or trench

405282, 405154, 405179, E02D 1712, F16L 5700

Patent

active

056116438

ABSTRACT:
In the process for the construction of trenches in ground containing water and/or gas wherein a trench is due in said ground, support media is introduced in said trench to support the walls formed by the treching, vapor or water conduit means are placed in the trench and the trench with this support media is back-filled with particular material to dispose and remove the support media from the trench, the improvement comprising employing as said support media a hydrated cross linked acrylic polymer.

REFERENCES:
patent: 4329083 (1982-05-01), Parkinson
patent: 4696607 (1987-09-01), Ressi di Cervia
patent: 4863312 (1989-09-01), Cavalli
patent: 4877358 (1989-10-01), Ressi di Cervia
patent: 5065822 (1991-11-01), Miller et al.

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