The standard loads used for calculation of CBR are:
1
1870 kg at 2.5 mm penetration and 2555 kg at 5.0 mm penetration
2
1470 kg at 2.5 mm penetration and 2855 kg at 5.0 mm penetration
3
1570 kg at 2.5 mm penetration and 2655 kg at 5.0 mm penetration
4
1370 kg at 2.5 mm penetration and 2055 kg at 5.0 mm penetration