System for improving synthetic surfaces

Details System for improving synthetic surfaces System for improving synthetic surfaces

1981-05-22

1984-07-31

Bagwill, Robert E.

Plant husbandry

Process

47 1R, 47 2, 272 3, 405 37, A01G 3100, E02B 1100

Patent

active

044621841

ABSTRACT:
A synthetic surface, such as artificial turf, rubberized asphalt, concrete composition, particulate mixtures and the like, is applied on top of a subsurface base system, which in turn is on top of a subgrade. A liquid impervious membrane is positioned between the subgrade and the base system. The base system comprises an upper layer of sand-containing particulate material in which liquid characteristically moves in the vertical direction and a lower layer of gravel in which liquid characteristically moves well in the horizontal direction as well as downwardly. The material of the upper layer does not significantly penetrate into the gravel. The base system has a non-rutting upper surface. The non-rutting surface is accomplished by planting grass, cutting the grass at least once, and then killing the grass. The synthetic surface is then applied. A conduit system is positioned in the lower gravel layer of the base system, and a water reservoir is established in the base system. In warm temperatures, the synthetic surface can be cooled by maintaining the upper layer of the base system moist, and by circulating cool water into the reservoir and withdrawing warm water therefrom. Conversely, in cold temperatures, warm water can be circulated into the reservoir and colder water therein removed.

REFERENCES:
patent: 2947109 (1960-08-01), Davis et al.
patent: 4023506 (1977-05-01), Robey
patent: 4044179 (1977-08-01), Haas
patent: 4268993 (1981-05-01), Cunningham

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