What are the requirements for the ground foundation of the plastic track?

(1) The cement foundation requires the ground to be flat, with a 3‰-8‰ turtleback drainage slope, no obvious water accumulation on the ground, no sanding or delamination on the ground, the cement hardness reaches C25 or above, no obvious exposed steel bar heads, and the maintenance cycle of the new foundation needs to be more than 28 days.

(2) The asphalt foundation requires the surface asphalt particles to be fine-grained, with a density of 95%, the ground does not soften or turn black, there is no dirt on the surface, the maintenance cycle of the new foundation needs to be more than 15 days, and there is no obvious water accumulation on the ground.