A soil sample has 60% passing a sieve with an opening equal to 20 mm, 30% passing a sieve with an opening equal to 4.75

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A Soil Sample Has 60 Passing A Sieve With An Opening Equal To 20 Mm 30 Passing A Sieve With An Opening Equal To 4 75 1 (43.26 KiB) Viewed 51 times

A soil sample has 60% passing a sieve with an opening equal to 20 mm, 30% passing a sieve with an opening equal to 4.75 mm (#4), 10 % passing a sieve with an opening equal to 0.106 mm (#140). 3 % passing a sieve with an opening equal to 0.075 mm (#200). The plastic limit is PL-12 % and the liquid limit is LL-40%. Classify the soil according to a) The Unified soil classification system. b) The AASHTO soil classification system. For the Unified soil classification system, the group symbol and the group name are both required. Briefly outline the process used in making your decision. D30 D, C₁ (Cu D 60 x D10 D10 =