(1) Non infill football field: artificial lawn in the United States, most of the football field artificial lawn used artificial grass fiber material is high-grade nylon material (PA), there are also the use of multi-fiber, non-filled football field artificial lawn can be divided into seepage and non-seepage two kinds. This lawn resembles natural lawns in appearance, with a layer of shock absorbing foam cushion, and shock absorbing layer with different density and thickness. Due to the fact that there are not many factories in China to master the laying technology of artificial turf in football field, and most of them are foreign technology, it is necessary for foreign experts to complete the laying of shock absorbing foam cushion layer when laying artificial sand lawn without sand filling. Under the shock absorbing foam, a smooth layer of asphalt should be laid as the foundation, and the gravel should be covered with gravel, sand and pebble. The drainage system is the most important part. In addition, this type of football field artificial lawn in the installation process must use artificial grass special machinery, especially in some professional or expensive sports ground laying and installation is particularly important, otherwise it will not be able to meet the requirements of field leveling and uniformity.
(2) Infill Football Field: Artificial turf filled with granular turf has been accepted by the majority of users in China because of its international advanced level of good sports performance and good practicality. Most of the materials used are polymers made of polyethylene (PE) or polypropylene (PP) or more. The fibers of this lawn are longer than those of non-sand-filled lawn, and the surface is backfilled with 2-3 mm quartz sand and rubber particles. Its motion characteristics are very close to natural lawn, and can be used all year round and round the clock. Usually, the lawn needs to be maintained for 6 to 8 months after laying. This type of lawn is especially suitable for laying outdoors. It usually has a shelf life of 5-8 years, but its actual life span can exceed 5 years. In long dry weather, sprinkle a little water on the lawn to reduce the risk of scratches.
(3) Natural-artificial mixed turf: It is no longer a dream to combine natural turf with football field man-made turf. Now there is such mixed turf. The turf grass is natural and the grass root structure is reinforced with plastic, such as letting grass grow on a plastic mesh bottom. In this way, the user-friendly nature of the natural turf is well combined with the super durability of the artificial turf on the football field. In China, 95% of the artificial grass is filled with granules, but many schools tend to ignore the most important construction links when choosing products. The construction technology of artificial grass is very important for the maintenance and service life of artificial grass in the later period. First, make technical preparations.
The specifications and quantities of filling are determined according to the height and density of grass. It should be noted that special sand injection machine and grass brushing equipment must be used to fill the particles in order to ensure the level and uniformity of the site, and to improve the performance of the site movement. And the quartz sand and rubber particles must be completely dry material before construction, otherwise the straw will be overwhelmed and affect the quality of filling. Quartz sand should be filled in multiple layers, and each layer should be covered with a brush to and fro to make the filling fall. Usually, it is better to brush twenty times or more on a site.
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