Drawing Design
400M Requirement:
Foundation Processing
Asphalt foundation requirements
Drainage facilities
Embedded parts installation:
Basic Surface Requirements asphalt:
1. Use water-based base materials to seal the base surface and seal it gaps in asphalt concrete.
2. Carry out a watering test to find out the depressions.
3. Use water-based base materials to fill up the low depressions, and use longer than the product.
A straight bar with a water width of 2m should be scraped repeatedly without any lumps. undulating waves.
4. Try to make up the slope according to the drainage direction.
5. Use a stone grinder to grind the high convexity.
6. The whole machine is polished to form a smooth, neat and rough surface,easy to bond the base surface firmly.
Cement:
1. Check the flatness of the foundation,
2. Use a stone grinder to grind the high convexity,
3. Fill up the low recesses with water-based base material,
4. Clean up, cut and polish the expansion joint into a V-shaped mouth, the interior is filled with foam strips and filled with professional caulking glue.
5. After the overall leveling, the surface must be professionally waterproofed.
Installation:
What sports equipment should be equipped for a 400m standard track and field field:
Long jump and trip jump
Pole Vault
Metal circle for Hammer
Set of Achors for IAAF Approvedthrowing cage
Aluminium detachable kerb
