Manual of Soil Laboratory Testing, Soil Classification and Compaction Tests

acid air voids aperture apparatus ASTM Atterberg limits balance beaker British Standard burette Calculate calibration carbon Casagrande Check chloride clay cm³ compaction test cone cylinder density bottle described in Section desiccator determination diameter distilled water dried dry density dry mass dry soil equation evaporating dish filter flask gas jar glass grading curve gravel hydrochloric acid hydrometer indicator laboratory limit test liquid limit litre m₁ mass of soil maximum measured mercury method Mg/m³ moisture content nearest nitrate obtained organic matter oven drying particle density passing percentage pipette Place plastic limit plasticity index plotted Prepare pretreatment PROCEDURAL STAGES pyknometer rammer range reading referred removed riffling rubber bung sand shown in Fig shrinkage limit silt silver nitrate sodium sodium hydroxide soil sample soils containing solution suitable sulphate surface Table temperature TEST PROCEDURE test specimen tube V₁ vacuum vibrating hammer voids ratio volume washing Weigh