Catchwater drain, excavating structure and method of constructio

Details Catchwater drain, excavating structure and method of constructio Catchwater drain, excavating structure and method of constructio

1987-12-10

1990-06-19

Reese, Randolph A.

Hydraulic and earth engineering

Drainage or irrigation

Porous waterway, e.g., sand drain, etc.

405 36, 405 43, 405 45, 405 52, 405267, E02B 1100

Patent

active

049348655

ABSTRACT:
A process and structure is disclosed for the construction of catchwater drains, mainly deep catchwater drains, drain ribs, supporting ribs or similar structures, wherein a trench is excavated step by step in the soil, into which water collecting-aquiferous elements are laid, then suction bodies essentially filling out the trench are placed over the water collecting-aquiferous elements.
The process teaches that following the excavation of a trench-section to its full depth, inflatable hoses (5) of a temporary supporting structure (4) are consecutively laid into the trench (3), then the trench (3) is further opened and supported, and the hoses (5) of the temporary supporting structure (4) are removed one by one from the trench (3) and they are replaced by water collecting-aquiferous blocks (8) laid on the bottom (7) of the trench (3) so that they are situated at least partly in the impermeable soil layer, furthermore on top of these blocks (8) suction bodies (9) are placed consisting of granular material filled into filter bag.

REFERENCES:
patent: 2763991 (1956-09-01), Kennon
patent: 3654765 (1972-04-01), Healy et al.
patent: 3937025 (1976-02-01), Alvarez-Calderon F.
patent: 3962088 (1976-06-01), Kuhlenschmidt et al.
patent: 4574541 (1986-03-01), Raidt et al.
patent: 4578068 (1986-03-01), Kramer et al.

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