System for the one-step dewatering of a trench and the construct

Details System for the one-step dewatering of a trench and the construct System for the one-step dewatering of a trench and the construct

1981-09-30

1984-07-31

Husar, Cornelius J.

Hydraulic and earth engineering

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

With protection or indication of pipe or trench

405 50, 405179, E02B 1100, F16L 102, F16L 300

Patent

active

044627157

ABSTRACT:
A system for laying a pipeline receiving stone bed in the bottom of a trench into which water may have seeped and there is accordingly some erosion of the trench side walls comprising:moving a stone-filled box along the trench in increments as the trench is dug out ahead of the box while moving earth which has collapsed into the trench forwardly along the trench; and simultaneously dispensing stone out the rear end of the box to form a bed which shores up the sides of the trench and pumping water out of the next section of the trench to receive the bed.

REFERENCES:
patent: 1286666 (1918-12-01), Layne
patent: 3664137 (1972-05-01), Lett
patent: 3833071 (1974-09-01), Koosman et al.
patent: 3952529 (1976-04-01), Lefever
patent: 4068488 (1978-01-01), Ball
patent: 4289424 (1981-09-01), Shefbuch et al.
patent: 4319859 (1982-03-01), Wise

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