6- For an inorganic soil, the following grain-size analysis is give Percent passing 100 U.S. Sieve No. 4 10 90 20 64 40 38 80 18 200 13 For this soil, LL = 23 and PL = 19. Classify the soil by using a. AASHTO soil classification system b. Unified soil classification system Give group names and group symbols.

Soil classification is a method of categorizing soil based on its properties, types, and uses. The motive of soil classification is to arrange various types of soils and divide them into groups for various engineering and agricultural purposes. Soil clas…