Research Article
Calculation and Control Methods for Equivalent Resilient Modulus of Subgrade Based on Nonuniform Distribution of Stress
Table 1
Results of the numerical value and PFWD-measured value of deflection at the center 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 | 162.6 | 152.4 | 144.2 | 133.0 | 132.0 | 122.0 | 123.3 | 113.6 | | K117 + 000 | 163.1 | 144.1 | 132.6 | 123.4 | | K117 + 020 | 163.8 | 144.2 | 132.8 | 123.2 | | K117 + 040 | 165.5 | 144.6 | 132.7 | 123.9 | | K117 + 060 | 165.1 | 140.5 | 132.8 | 123.7 | | K117 + 080 | 165.5 | 146.8 | 132.9 | 123.8 | | K117 + 100 | 166.4 | 144.8 | 132.8 | 123.2 | | K117 + 120 | 164.4 | 144.7 | 132.3 | 123.4 | | K117 + 140 | 163.6 | 144.8 | 132.4 | 124.1 | | K117 + 160 | 165.3 | 144.9 | 132.3 | 123.8 | | K117 + 180 | 164.8 | 144.0 | 132.1 | 124.0 | | Mean of deflection | 164.6 | 152.4 | 144.3 | 133.0 | 132.5 | 122.0 | 123.6 | 113.6 | | Error of deflection | 12.2 | 11.3 | 10.5 | 10.0 | | Equivalent Mr (MPa) | 63.45 | 68.72 | 73.03 | 79.63 | 79.95 | 87.28 | 86.08 | 94.15 | | Error of the Mr (MPa) | 5.27 | 6.60 | 7.33 | 8.07 |
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