Research Article
Calculation and Control Methods for Equivalent Resilient Modulus of Subgrade Based on Nonuniform Distribution of Stress
Table 2
Results of the numerical value and PFWD-measured value of deflection at the wheelmark belt.
| Mileage pile number | Deflection at the top of subgrade (0.01 mm) | Deflection on a 10 cm thick layer (0.01 mm) | Deflection on a 20 cm thick layer (0.01 mm) | Deflection on a 30 cm thick layer (0.01 mm) | Measured value | Numerical value | Measured value | Numerical value | Measured value | Numerical value | Measured value | Numerical value |
| K116 + 980 | 164.3 | 152.4 | 141.4 | 133.0 | 132.0 | 122.0 | 123.2 | 113.6 | K117 + 000 | 162.5 | 143.2 | 132.1 | 123.6 | K117 + 020 | 161.8 | 145.7 | 131.7 | 123.2 | K117 + 040 | 164.4 | 138.6 | 131.3 | 123.4 | K117 + 060 | 163.1 | 144.2 | 131.9 | 123.3 | K117 + 080 | 164.7 | 147.1 | 131.8 | 123.5 | K117 + 100 | 164.3 | 143.3 | 131.7 | 123.4 | K117 + 120 | 161.5 | 143.8 | 131.5 | 123.6 | K117 + 140 | 163.9 | 143.2 | 132.1 | 123.6 | K117 + 160 | 161.8 | 143.6 | 131.5 | 123.0 | K117 + 180 | 161.6 | 143.2 | 132.1 | 123.1 | Mean of deflection | 163.1 | 152.4 | 143.4 | 133.0 | 131.8 | 122.0 | 123.4 | 113.6 | Error of deflection | 11.3 | 10.4 | 9.8 | 9.8 | Equivalent Mr (MPa) | 64.12 | 68.72 | 73.51 | 79.63 | 80.41 | 87.28 | 86.23 | 94.15 | Error of the Mr (MPa) | 4.60 | 6.12 | 6.87 | 7.92 |
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