(1) Choice of filling materials: the filling materials of artificial grass are usually sand or rubber particles, and sometimes they are mixed. When mixed, the proportion of the two depends on the specific situation. The usual mixing proportion is 70% rubber particles + 30% sand. In the past, 100% sand was used as filling material to increase the stability of turf base, but with the maturity of artificial grass manufacturing technology, its basic manufacturing has been relatively perfect, so the former method of filling sand to stabilize turf has been gradually eliminated, and now more filling method is 100% rubber particles.
(2) Filling depth: The filling depth of quartz sand or rubber particles in artificial grass can be determined according to the purpose of use and the height of the selected turf bundle. For the sport with high impact intensity, the artificial grass with longer leaf bundle can be selected and filled with deeper filling material. The suitable filling depth of the artificial football field lawn is 5mm from the tip of the leaf. For the sport with high smoothness and good uniformity, such as hockey, the leaf bundle can be reduced appropriately, the filling depth can be increased even with grass
Regarding drainage design for artificial grass
Some man-made grass design drainage system, turf cushion with permeability, the design of drainage pipes in the foundation layer, such turf construction structure is more complex, the cost is higher. However, some systems do not have a design drainage system, it depends on the surface of natural slope drainage, so the surface construction requirements are higher.
In order to ensure the turf quality and economic efficiency, the above four factors should be considered before the construction of artificial grass. In addition to these four main factors, there are other factors such as the treatment of grass-roots, the choice of adhesive for bonding and so on. In a word, in the actual project construction, all factors should be fully combined with the economic investment of the investors and the characteristics of the actual use of the lawn, relying on scientific theory and technology to maximize the realization of economic, applicable and effective principles.
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