Research Article
Multiparameter Inversion Early Warning System of Tunnel Stress-Seepage Coupling Based on IA-BP Algorithm
Table 8
Residual calculation results.
| | Experimental factors | Residual | | Elastic modulus E (GPa) | Cohesion c (MPa) | Poisson’s ratio μ | Internal friction angle φ (°) |
| | Test 1 | 0.000 | 0.000 | −0.200 | 0.000 | | Test 1 | 0.000 | −0.001 | 0.000 | −0.001 | | Test 1 | 1.248 | 0.000 | −0.006 | 0.000 | | Test 1 | 0.000 | 0.000 | 0.000 | −0.001 | | Test 1 | −0.001 | 0.001 | 0.000 | 0.001 | | Test 1 | 0.001 | −0.001 | 0.001 | 2.000 | | Test 1 | −0.001 | 0.000 | 0.000 | −2.000 | | Test 1 | 0.000 | 0.000 | 0.000 | 0.000 | | Test 1 | 0.000 | −0.001 | −0.250 | 4.000 |
|
|
