Grid composite for backfill barriers and waste applications

Details Grid composite for backfill barriers and waste applications Grid composite for backfill barriers and waste applications

1992-03-23

1994-01-11

Corbin, David H.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405258, 405267, 405288, 4053023, E02D 1500, B09B 500, E21D 1900

Patent

active

052775208

ABSTRACT:
A grid composite for protecting men and longwall mining equipment during longwall shield recovery includes a regular polymer geogrid structure formed by biaxially drawing a continuous sheet of select polypropylene material which is heat bonded to a polyester fabric. The grid composite is secured over caving shields of longwall mining equipment during a longwall mining operation. The polymer grid composite is ideal for waste containment structures, backfill barriers, and silt barriers in construction and mining applications. In waste containment and backfill barriers, the grid composite is used to form a containment structure. It principle function is to contain waste material usually consisting of a liquid with some percentage of solids.

REFERENCES:
patent: 2919467 (1960-01-01), Mercer
patent: 3386876 (1968-06-01), Wyckoff
patent: 3697347 (1972-10-01), Lehmann
patent: 4768897 (1988-09-01), Nussbaumer et al.
patent: 4770564 (1988-09-01), Dison
patent: 4815892 (1989-03-01), Martin
patent: 4946310 (1990-08-01), Wunderatzke
patent: 4988235 (1991-01-01), Hurley
patent: 5096335 (1992-03-01), Anderson et al.
patent: 5152633 (1992-10-01), Mercer et al.
Coal--Feb., 1990.
Longwall Mining--pp. 14-19.
Underground Mining Systems and Equipment--pp. 12-74 through 12-95.

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