Research Article
Parameter Sensitivity Analysis on Deformation of Composite Soil-Nailed Wall Using Artificial Neural Networks and Orthogonal Experiment
Table 2
Predicted results and errors.
| | Number | Soil cohesive strength (kPa) | Soil friction angle (°) | Soil-nail spacing (m) | Prestress of anchor cable (kN) | Soil-nail length (m) | Soil-nail diameter (mm) | Measured value of the maximum lateral displacement (mm) | Predicted value of the maximum lateral displacement (mm) | Absolute error | Relative error (%) | Average relative error (%) |
| | 1 | 32.4 | 22.3 | 2.0 | 180 | 12.0 | 20 | 4.60 | 4.7 | 0.1 | 2.1739 | 2.09% | | 2 | 32.4 | 22.3 | 2.0 | 230 | 12.0 | 20 | 4.47 | 4.56 | 0.09 | 2.0134 | | 3 | 32.4 | 22.3 | 3.0 | 180 | 12.0 | 20 | 4.83 | 4.95 | 0.12 | 2.4845 | | 4 | 32.4 | 22.3 | 2.0 | 180 | 12.0 | 28 | 4.48 | 4.56 | 0.08 | 1.7857 | | 5 | 32.4 | 22.3 | 2.0 | 180 | 15.0 | 20 | 4.55 | 4.46 | −0.09 | 1.9780 |
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