Table 2 Comparison of Force and displacement at critical points of 2D and 3D specimen.
Specimen | Flexural action | Compressive arch action | beginning of catenary action | Catenary action | ||||
|---|---|---|---|---|---|---|---|---|
P (FA) (kN) | Y (FA) (mm) | P (CCA) (kN) | Y (CCA) (mm) | P0 (CA) (kN) | Y (CA) (mm) | P (CA) (kN) | Y (CA) (mm) | |
2D specimen | 20.7 | 18.5 | 28.1 | 50 | 21 | 135 | 35.6 | 306 |
3D specimen | 23–(32) | 16.9–(30) | 38.18 | 67 | 33.2 | 151.2 | 53 | 340 |
Difference % | 11.1–(55) | 9.5–(62) | 36 | 35 | 58 | 12 | 49 | 11 |