Soln3.15 - Soil A: A-2-6 (1) Soil B: A-1-b Soil C: A-3...

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Solution 3.15 Step1: % passing No 200 sieve. Soil A: 34.13% passing i.e. < 35%, Soil B: 0% passing i.e. < 35%, Soil C: 1.2 % passing i.e. < 35% Soils A, B and C are granular Step2: Make a table according to Table 3.7 Group Index Soil A: GI = 0.01(F-15)(PI-10) = 0.96 =1 Soil B: GI = 0 (non plastic) Soil C: GI = 0 (non plastic) Step3: Use Table 3.7 with the values in step 2 to classify soils according to AASHTO
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Unformatted text preview: Soil A: A-2-6 (1) Soil B: A-1-b Soil C: A-3 Percent Finer sieve opening(mm) Soil A B C 4.75 100.00 100.00 100.00 2 (No. 10) 89.89 74.28 97.00 0.85 77.03 63.82 77.40 0.425(No. 40) 56.81 31.64 59.40 0.15 47.75 11.79 23.00 0.075(No. 200) 34.13 0.00 1.20 %Passing Sieve No Soil A B C No. 10 89.89 74.28 97.00 No. 40 56.81 31.64 59.40 No. 200 34.13 0.00 1.20 LL 23%--PL 8%--PI 15%--...
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