Particle size analyses were carried out on two soils and the data are shown below. The liquid and plastic limits of the soils are: 32 and 15 for Soil A and 48 and 23 for soil B. a. Classify these soils according to USCS b. Is either of the soils organic? c. Which of the two soils is a better material for foundation where seepage is important? Constituent Soil A Soil B % of particle greater than 0.075 mm. Gravel fraction (%) Sand fraction (%) 65 40 42 25 23 15 Silt fraction (%) Clay fraction (%) 22 40 13 20

Particle size analyses were carried out on two soils and the data are shown below. The liquid and plastic limits of the soils are: 32 and 15 for Soil A and 48 and 23 for soil B. a. Classify these soils according to USCS b. Is either of the soils organic? c. Which of the two soils is a better material for foundation where seepage is important? Constituent Soil A Soil B % of particle greater than 0.075 mm. Gravel fraction (%) Sand fraction (%) 65 40 42 25 23 15 Silt fraction (%) Clay fraction (%) 22 40 13 20

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter4: Soil Classification

Section: Chapter Questions

Problem 4.1P: State whether the following are true or false. a. In the AASHTO classification Table 4.1, the soils...

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