Research Article
Bearing Behavior of the Fly Ash Deposits on Expressway
Table 1
Laboratory test results of fly ash.
| Original sample number | Sample depth (m) | Moisture content (%) | Wet density (g/cm3) | Dry density (g/cm3) | Proportion | Initial void ratio | Compression modulus ES1∼2 (MPa) | Permeability coefficient K20 (cm/s) | Saturated quick shear test | Cohesion (kPa) | Internal friction angle (°) |
| A1-1 | 1.0∼1.3 | 33.4 | 1.38 | 1.03 | 2.62 | 1.562 | 19.58 | 2.38E − 4 | 12.0 | 27.8 | A1-2 | 1.7∼2.0 | 42.4 | 1.31 | 0.92 | 2.62 | 1.881 | 8.89 | — | 35.0 | 26.3 | A2-1 | 1.0∼1.3 | 48.0 | 1.54 | 1.03 | 2.62 | 1.547 | 11.44 | — | 14.0 | 24.6 | A2-2 | 1.7∼2.0 | 53.7 | 1.40 | 0.91 | 2.62 | 1.909 | 6.53 | — | 1.0 | 28.6 | A2-3 | 3.0∼3.3 | 61.7 | 1.41 | 0.87 | 2.62 | 2.039 | 8.12 | 9.32E − 4 | 0.0 | 30.5 |
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