12 Soil 1 2 3 4 5 6 7 8 9 10 Sieve analysis, % finer Liquid Plastic No. 4 No. 200 limit limit C. C 70 30 33 48 20 41 19 95 70 52 24 100 82 30 11 88 78 69 31 71 NP 3.4 2.6 99 57 54 28 71 11 32 16 4.8 2.9 100 NP 7.2 2.2 90 39 3.9 2.1 Figure 4.9 shows the grain size distribution of four soils A, B, C and D (same as the soils in Problem 2.14). The plastic limit and liquid limit of the fines are as follows. Soil LL PL A 58 34 B 42 22 с D 75 31 Describe the four soils and give their USCS symbols. www弘845128 29TIMENT 31 4.5 1
100 90 C 80 70 А D D 60 50 40 30 20 B 10 0 100 10 0.01 0.001 1 0.1 Grain size (mm)
12 Soil 1 2 3 4 5 6 7 8 9 10 Sieve analysis, % finer Liquid Plastic No. 4 No. 200 limit limit C. C 70 30 33 48 20 41 19
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12 Soil 1 2 3 4 5 6 7 8 9 10 Sieve analysis, % finer Liquid Plastic No. 4 No. 200 limit limit C. C 70 30 33 48 20 41 19
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