Soil Density - Standard vs Modified Proctor
Moisture-Density Relationships (Ref. Tschebotarioff - 1973) Type Sand Silt Clay LL PI Soil 1 - Silty Sand 80% 15% 5% 17 1 Soil 2 - Sand 92% 5% 3% NP NP Soil 3 - Clay 10% 28% 62% 68 47 Characteristics of Three Soils Max Dry Density,pcf Optimum Moisture,% Type A B C A B C Soil 1 - Silty Sand 132 125 123 8 10 10 Soil 2 - Sand 113 110 108 ind ind ind
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