According to IS 2720 (Part-7): 1980, in Indian standard light compaction test (standard proctor test) for the soil passing 20 mm sieve, the number of soil layers, hammer blows, weight of hammer, and height of free fall are:
1
03, 55, 2.6 kg, and 310 mm respectively
2
05, 25, 4.9 kg, and 450 mm respectively
3
05, 55, 4.9 kg, and 450 mm respectively
4
03, 25, 2.6 kg, and 310 mm respectively