1) Basic Category:
A bituminous concrete foundation
. a conventional asphalt;
. b hydrophobic bitumen;
B cement foundation;
C cement powder foundation;
D gravel hydrophobic base;
2) basic requirements:
A, when the basis of a variety of materials used in construction are to be used only after the inspection of construction.
B, the basis of appearance: uniform surface pressure road no obvious signs of a solid, smooth and no cracks, no bad side push, loose, wavy, pockmarked face, the seams are smooth, not a water-blocking phenomenon.
C, when the test water, rain drainage after 120 minutes, allowing the water filled with water but not greater than the thickness of 4mm.
D, after the completion of the foundation put 10 × 10 meter square grid retest elevation, and calculates the drainage slope, drainage slope ≤0.7%, and the error <1.5 ‰.
E stabilize the density of compacted layer of not less than 93%.
F, roughness, slope, elevation of the site must pass rate of over 85%.
G, thickness tolerance ± 10%.
3) basic application
Asphalt concrete foundation suitable for tennis, hockey, soccer, field hockey where you must use hydrophobic asphalt base, the other the use of either conventional asphalt base; football field four basis are applicable, can be selected according to the actual situation, it is recommended to use cement powder foundation , the basic rule gravel hydrophobic base; court the use of either of these three cement foundation.