Chapter 3 Soil Classification - Geoengineer.org

Soil Classification - N. Sivakugan (2000) 3/11 When there are smaller and larger grains, but none in an intermediate size range, the soil is known as a gap-graded soil. Typical grain size distribution curves of well graded (soil A), gap graded (soil B) and uniform (soil C) soils are shown in Fig. 3.2. 0 20 40 60 80 100 0.001 0.01 0.1 1 10 100

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