Table 2 Summary of four-point bending results for single and double connector configurations.
From: Composite Behaviour of Textile Reinforced Reactive Powder Concrete Sandwich Façade Elements
Specimen ID | Crack load Pcr (kN) | Crack moment Mcr (kNm) | Max load Pmax (kN) | Max moment Mmax (kNm) | Bending stiffness EItest (kNm2) | Composite action α (−) | EI1/EItest (%) | αEI2/EItest (%) |
|---|---|---|---|---|---|---|---|---|
S-1 | 3.8 | 1.5 | 8.5 | 3.4 | 415 | 0.021 | 33 | 67 |
S-2 | 3.2 | 1.3 | 11.3 | 4.5 | 510 | 0.029 | 26 | 74 |
S-3 | 4.2 | 1.7 | 10.6 | 4.2 | 399 | 0.020 | 34 | 66 |
Avg (std) | 3.7 (0.4) | 1.5 (0.2) | 10.1 (1.2) | 4.0 (0.5) | 441 (49) | 0.023 (0.004) | 31 (3) | 69 (3) |
D-1 | 5.7 | 2.3 | 19.4 | 7.8 | 1247 | 0.085 | 11 | 89 |
D-2 | 3.7 | 1.5 | 17.4 | 7.0 | 1038 | 0.069 | 13 | 87 |
D-3 | 4.3 | 1.7 | 16.3 | 6.5 | 935 | 0.061 | 14 | 86 |
Avg (std) | 4.6 (0.8) | 1.8 (0.3) | 17.7 (1.3) | 7.1 (0.5) | 1073 (130) | 0.071 (0.010) | 13 (1) | 87 (1) |