⑴specification: blacket1
|
sorts |
using character |
long(M) |
width(M) |
|
Standard football field |
Universality competition |
100~110 |
64~75 |
|
International competition |
105~110 |
68~75 |
|
within 400-meter-standard running way |
105
104 |
68
69 |
|
Small sized |
innormal(can be divided into 2) |
90~110 |
45~75 |
⑵there should be the amortizing zone and activity zone for athletes and judges, which also contains the position for staff, fill athletes, coaches, physicians and press-photographers. The width should be: foul line ≥3m, end ≥7.5m.
⑶the football field should be the natural grass ground, the range of grass should be ≥1.5m than the board, the grass should be the fast growing, anti-stepping, endure cold. The surface should be 1m above the water table.
⑷the court should have the good draining and seeping capability, the gradient should be 5‰,considering of the building error, the designed gradient should be 3~4‰, there should be the hidden pipe when building in glutinosity soil area.
⑸the grass should have the aspersion establishment, there should be the automatism aspersion establishment on the competition court.
⑹orientation: long axes should be in north and south direction, it can be set prejudiced, which can avoid the parallel with the dominant wind, and the dizzy light caused by the sun, it should be fixed by local geography position, wind direction and competition time and other factors. The international federal union says the leaning can’t exceed 15 º