IS 2720:1985 — Clause Reference

Grain-Size Analysis — Sieve & Hydrometer (Part 4)

Part 4 determines the particle-size distribution: dry/wet sieving for the coarse fraction and hydrometer (sedimentation)…

Liquid Limit, Plastic Limit & Plasticity Index — Part 5

Part 5 determines the Atterberg limits — liquid limit (Casagrande percussion or cone penetrometer), plastic limit, and t…

Compaction — OMC & Maximum Dry Density (Proctor) — Parts 7 & 8

Parts 7 and 8 establish the compaction characteristics — optimum moisture content (OMC) and maximum dry density (MDD) — …

California Bearing Ratio (CBR) — Part 16

Part 16 covers the laboratory California Bearing Ratio — the soil's penetration resistance expressed as a percentage of …

Shear Strength — Direct Shear, UCS & Triaxial (Parts 13, 10, 11)

Shear strength is the parameter that governs bearing capacity, slope stability and lateral earth pressure. IS 2720 cover…