artificial grass playground basic construction requirements
the basis of the artificial grass can be divided into the basis of three materials: cement concrete foundation, asphalt base and thirty-seven lime soil foundation.
Option One. Cement concrete foundation
Flatness: flatness pass rate above 95%, 5 m ruler error 3mm.
Slope: Center venue 3 ‰ -4 ‰ Turtle-drainage design. 8 ‰ corners, straights 5 ‰, the semicircle area 5 ‰, should be flat, smooth surface to ensure drainage.
Strength and stability 3.artificial grass: uniform and solid surface, no cracks, no bad side, straight and smooth seams, 6000mm x 6000mm about cuts as well. Cushion compaction, density of greater than 95%, after the pressure of the medium-sized mill wheel tracking no significant surface dust loose, wave phenomena such.
4. Impermeable layer: new PVC thick impermeable film, lap joints should be days edge margin greater than 200mm, 150mm.
5.artificial grass maintenance period: the basis of the maintenance period of 21 days.
6. Positioning: the need for accurate construction and painting line, applied firmly distinctive marker lines mark the site.