| NNR | SNR | OAR | AAR | SER | ECR | MGR |
Classification |
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AASHTO(Group Index) | A-2-4(0) | A-2-4(0) | A-2-4(0) | A-2-4(0) | A-2-4(0) | A-2-4(0) | A-2-4(0) |
Group Name | Clayey Sandy Gravel | Clayey Sandy Gravel | Clayey Sandy Gravel | Sandy Clayey Gravel | Clayey Sandy Gravel | Clayey Sandy Gravel | Clayey Sandy Gravel |
Grain Size Distribution |
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Gravel (%) | 71 | 56 | 76 | 72 | 62 | 77 | 72 |
Sand (%) | 18 | 26 | 14 | 13 | 22 | 15 | 22 |
Silt-Clay | 11 | 18 | 10 | 15 | 16 | 8 | 6 |
Atterberg Limits |
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Liquid Limit, LL (%) | 28 | 22 | 28 | 25 | 29 | 28 | 18 |
Plastic Limit, PL (%) | 19 | 15 | 19 | 16 | 19 | 19 | 11 |
Plasticity Index, PI (%) | 9 | 7 | 9 | 9 | 10 | 9 | 7 |
Compaction Characteristics |
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Maximum Dry Density, ρd (kg/m3) | 2152 | 2300 | 2216 | 2211 | 2038 | 2220 | 2305 |
Optimum Moisture Content, wopt (%) | 4.8 | 4.2 | 5.6 | 9.0 | 9.8 | 4.9 | 5.0 |