Sr. No. |
Particulars |
Test Method/ Reference Code |
Sample size required |
Significance |
1 |
Specific Gravity |
IS 2720 (Part-3/Sec-1) 1980 |
5 kg |
Soil Classification |
2 |
Moisture Content |
IS 2720 (Part-2) 1973 |
5 kg |
Soil Classification |
3 |
Grainsize Analysis |
IS 2720 (Part-4) 1963 |
5 kg |
Soil classification |
4 |
Free Swell Index |
IS 2720 (Part-40) 1963 |
5 kg |
Soil classification |
5 |
Atterberg's Limit (LL/PL/PI) |
IS 2720 (Part-5) 1977 |
50kg |
Estimate compression index useful for settlement analysis. Plastic limit is required for making bricks, cement-soil block foundation for structures |
6 |
Standard Proctor (MDD/OMC) |
IS 2720 (Part-7) 1980 |
50kg |
Basis of comparison for field compaction to produce a strong, settlement free, and firm sub grade. |
7 |
Laboratory CBR (Soaked & Unsoaked) |
IS 2720 (Part-16) 1987 |
50kg |
California Bearing Ratio (C.B.R.), determines the thickness of different elements comprising a pavement. |