ce242 soil classaification civil eng

8/15/2019 CE242 Soil Classaification civil eng

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U.S. Department of Agriculture textural classification

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Unified soil classification system (USCS)

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G – Gravel

S – Sand

C – Clay

M – Silt

O – organic clay or siltPt - Peat

W – well graded

P – poorly graded

L – low plasticity

H –high plasticity

C – ClayM – Silt


9/13

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10/13

Plasticity chart for unified soil classification system


11/13

Indian Standard (Soil) Classification System (IS:1498 – 1970)

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P – poorly graded

L – low plasticity

I – intermediate plasticity

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M – Silt


12/13

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ce242 soil classaification civil eng

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