| | Number | Experimental load (N) | Theoretical load (N) | Relatively error | Experimental deformation displacement (mm) | Theoretical deformation displacement (mm) | Relative error |
| | 1 | 125.61 | 125.10 | 0.41% | 0.3140 | 0.2926 | 6.81% | | 2 | 293.87 | 290.67 | 1.09% | 0.2147 | 0.2032 | 5.36% | | 3 | 187.67 | 184.92 | 1.46% | 0.1273 | 0.1186 | 6.83% | | 4 | 436.20 | 427.10 | 2.10% | 0.1003 | 0.0913 | 8.97% |
|
|