How to lay grass plastic?
First,it is important for us to notice the smoothness.Smoothness: qualified rate above 95%, 5 meters straight error 3mm. Second,choose suitable slope.Slope: Center site 3 - 4 in 1000, drainage design of the turtle. Bend 8 per thousand, straight 5 per 1000, semi-circular area 5 per thousand, the surface should be flat, smooth, guarantee the drainage.
For grass plastic,using asphalt and cement is different.Using asphalt,smoothness: foundation should have a certain strength and stability, based products can not crack and the frozen caused by uneven frost, flatness qualification rate in more than 95%, 3 meters ruler error 3mm. And Impermeable layer: the new PVC thickening of the water film, lap at the 200mm, the margin is greater than 150mm.
Asphalt base best by absence of wax or wax little asphalt material, the asphalt mixture to be fully compacted. Uniformly on the surface of a solid, smooth without crack, no broken edge piled, pitted surface, joint smooth. Asphalt concrete surface layer of gravel size is 2 - 5mm, oil content was 5.8 - 6.4%, bonding layer of gravel particle size of 6 -- 9 mm, containing 4.6 - 5.8%, no weak skin, no loose topsoil, wave phenomenon.
Paying attention to impermeable layer maintenance period and positioning.Impermeable layer: the new PVC thickening of the water film, lap at the 200mm, the margin is greater than 150mm.Maintenance period: basic maintenance period is 21 days.Positioning: in order to accurately construction and painting line needs, the use of strong and marked signs marked the lines of the appearance of the line.
It is important for grass plastic to notice strength and stability.Uniformly on the surface of a solid, no cracks, no broken edge, smooth straight seams, about 6000 mm * 6000mm cuts as well. Cushion compaction, the compacting degree was more than 95%. In medium mill pressure after, no significant round of trace and loose topsoil, wave phenomenon.
