Problem 3 Classify the soil based on USDA textural classification Particle Size Distribution (%) Soil Sand Silt Clay 55 40 45 35 20 50 15 35 70 15 15 Problem 4 Classify the follou BCDE

Classify the following soil using USCS Classification System and identify its group name Parameter Soil A Soil B Gravel 40 0 Sand 30 19 Silt & Soil 30 78 Liquid Limit 25 45 Plasticity Index 15 20

please answer the question in the picture and show all of your work please

Problem D: For problems 14 to 17. Classify the following soils by the AASHTO classification System. Description A D Percent finerthan No. 4 sieve 100 | 92 100 94 Percent finerthan No. 10 sieve 100 85 80 80 Percent finerthan No. 40 sieve 96 71 78 51 Percent finerthan No. 200 sieve 72 56 59 15 Liquid Limit Plasticity Index 16) Soil A is ? 58 35 42 26 23 19 13 12 a) A-7-5(19) b) A-2-6 (0) c) A-7-6 (18) d) A-7-5 (18) 17) Soil Bis ? a) A-6(13) b) A-7-5(0) c) A-6 (7) d) A-6 (8) 18) Soil Cis ? a) A-7-6(5) 19) Soil D is ? a) A-2-6(2) b) A-7-6 (8) c) A-7-6 (7) d) A-7-6(6) b) A-3 (0) c) A-2-6 (0) d) A-2-6 (2)