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What are the quality requirements for the foundation of the artificial turf sports system?

Artificial turf has the advantages of bright appearance, green in four seasons, vivid, good drainage performance, long service life and low maintenance cost. The quality requirements of the artificial turf sports system for the foundation are mainly concentrated in three aspects: hardness, flatness and drainage slope. There are three types of artificial grass foundations commonly used: asphalt foundation, cement foundation, and gravel foundation. Which type to use is mainly determined by the local climate environment, budget and time. Asphalt foundation is especially suitable for the climate environment with large temperature difference in the north and low temperature in winter. At the same time, because of its high cost, it is not the most suitable foundation type for warm and humid environments. Because of its simple construction, low cost and rapid drainage, crushed stone foundations are more common in the south, but because of its poor rigidity and stability, After long-term use, the foundation is prone to loosening, resulting in uneven foundation; therefore, cement concrete foundation has become an economical, practical and cost-effective artificial grass foundation type. According to the rich experience of artificial grass system, ECO makes the following brief introduction to the artificial grass cement concrete foundation: 1. The surface flatness of the foundation is required to be high to ensure the uniform thickness and uniform elasticity of the artificial grass surface layer. The qualified rate of flatness is more than 95%, the 5-meter ruler error is 3MM, the slope: horizontal 8, vertical 5, semi-circular area 5, the surface should be flat and smooth to ensure drainage. 2. The foundation should have certain strength and stability. 3. The surface is uniform and solid, without cracks, no rotten edges and pockmarked surfaces, and the seams are straight and smooth. 4. The cushion layer is compacted, and the density is greater than 95%. After being pressed by a medium-sized roller compactor, there is no obvious wheel track, no loose soil, no waves, etc. 5. The cement foundation must have a water barrier layer. The water barrier layer is made of new PVC thickened water barrier film. The junction should be greater than 300mm, and the edge margin should be greater than 150mm. 6. It is necessary to consider leaving expansion joints with a width of 5 mm. 7. The basic maintenance period is 2-3 weeks.

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