1. From the result of sieve analysis and the grain size curves for soils 1 and 2. a. Compute the value of uniformity coefficient Cu. b. Classify soil No. 1 using USCS Method. c. Classify soil No. 2 using USCS Method.

1. Sieve analysis data for two inorganic soils are provided in Table 1. Soil 1 has LL = 64 and PL = 38. Soil 2 has LL = 26 and PL =18. To plot the particle size distribution curves for Soils 1 and 2 using the attached sheet. Determine the effective grain size, D10 for Soil 2. Determine the USCS designation for each soil. List step by step how you make your choices. Table 1. Sieve Analysis Data. Sieve No. 14 10 20 40 60 100 200 Mesh opening (mm) 4.750 2.000 0.850 98 0.425 93 0.250 88 0.150 83 0.075 77 Soil 1 % finer 100 100 Soil 2 % finer 100 90 64 38 29 21 11

C 1. Sieve analysis data for two inorganic soils are provided in Table 1. Soil 1 has LL = 60 and PL = 36. Soil 2 has LL = 23 and PL =15. To plot the particle size distribution curves for Soils 1 and 2 using the attached sheet. Determine the effective grain size, D10 for Soil 2. Determine the USCS designation for each soil. List step by step how you make your choices. Table 1. Sieve Analysis Data. Mesh Sieve No. 4 10 20 40 60 100 200 opening (mm) 4.750 2.000 0.850 0.425 0.250 0.150 0.075 Soil 1 % finer 100 100 98 93 88 83 77 Soil 2 % finer 100 90 64 38 29 21 11 % Finer 120 100 80 60 40 20 II 1 11 10 T+4- I I J FT T I 1 Bullie aller 1 1 1 TEE J 1 I 01: 1 H I I F + +4 F T LLU 1 L 1 1 4 II FT 7 LI 1 TT IT 1 1 31 11 1 LI J-L IT J { LIL II 1 1 rt II I T LI L 11 J J FIL I 31 I I 1 I B 1 1 T r T 1 CA J <-+ I 1 Particle Size Distribution 1 I THE SE DET L II LL t FT4 JII 1 1 1 1 Fr-r 7 1 J Lead L 1 I T I P E S I - 1 1 I E T I Particle size (mm) II LL 1 T E T TH 0.1 J J E IF LIL II F 1 1 T J II T…

2b. The following data was obtained from Sieve Analysis conducted at a Soil Lab. Using the data given in Table 02 determine: Table 02: Sieve analysis data of coarse-grained soil i. ii. iii. + Sieve Opening (mm) 20 10 4.75 2.36 1.18 0.6 0.3 0.15 0.075 Pan Mass of Soil Retaining on each Sieve (g) 5.21 20.21 180.21 360.21 280.11 70.11 50.21 17.21 10.11 8 Percentage of clay, silt, sand and Gravel in the soil sample Uniformity coefficient and coefficient of curvature Classify the soil according to BS soil classification system

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Determine: 1. The percent finer in Sieve # 20  2. The percent finer in Sieve # 80  3. D60from the grain-size distribution curve  4. D30from the grain-size distribution curve  5. D10from the grain-size distribution curve  6. The coefficient of gradation  7. The uniformity coefficient  Please answer this asap. For upvote. Thank you very much

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