5.4 The sieve analysis of ten soils and the liquid and plastic limits of the fraction AASHTO classification system and give the group index for each soil. Classification of Soil Chapter 5 152 passing through the No. 40 sieve are given below. Classify the soils by the Sieve analysis-Percent finer No. 200 Plasticity index Liquid limit No. 40 29 No. 10 Soil 38 50 80 23 56 98 80 92 22 100 37 65 88 20 100 28 3 45 55 28 85 43 4 62 75 16 92 25 30 60 97 NP 8. 55 7 100 94 21 40 63 80 8. 15 20 20 48 83 9. 38 70 86 92 100 10 5.5 Determine the group symbols for the fine-grained soils given in Problem s. by the Unified soil classification system. 5.6 For an inorganic soil, the following grain-size analysis is given. Percent passing U.S. sieve no. 100 4 90 10 20 64 40 38 lormil 80 18 200 13 For this soil, LL = 23 and PL = 19. Classify the soil by using a. AASHTO soil classification system. Give the group index. b. Unified soil classification system. Give group symbol and group name. 5.7 Classify the following soils using the Unified soil classification system. GNve %3D the group symbols and the group names. Percent passing Sieve size D No. 4 94 98 No. 10 100 100 100 63 86 No. 20 100 100 100 21 50 No. 40 98 100 100 10 28 No. 60 93 99 94 18 No. 100 88 95 82 14 83 90 66 2.