Official Journal of the Japan Wood Research Society
Table 3 Test results of specimens
From: Flexural behavior of bamboo–concrete composite beams with perforated steel plate connections
Specimen | P = 30 kN | Δ = L/300 | Longitudinal cracking state | Ultimate state | PL/300/Pmax | \( P_{{s_{\text{u}} }} \)/Pmax | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Δ | Stiffness increase times | E | PL/300 | Increase times of PL/300 | E | \( P_{{s_{\text{u}} }} \) | \( \Delta_{{s_{\text{u}} }} \) | E | Pmax | Increase times of Pmax | Δmax | |||
B0-1 | 27.2 | – | – | 8.4 | – | – | – | – | – | 57.0 | – | 58.7 | 0.15 | – |
B0-2 | 27.7 | – | – | 8.8 | – | – | – | – | – | 49.5 | – | 59.2 | 0.18 | – |
BP100-1 | 6.6 | 4.16 | 0.94 | 33.7 | 3.92 | 0.91 | 42.3 | 11.4 | 0.85 | 71.9 | 1.35 | 57.0 | 0.47 | 0.59 |
BP100-2 | 6.7 | 4.10 | 0.94 | 33.2 | 3.86 | 0.90 | 36.0 | 9.4 | 0.87 | 68.0 | 1.28 | 54.4 | 0.49 | 0.53 |
BP150-1 | 6.3 | 4.36 | 0.96 | 38.0 | 4.42 | 0.96 | 59.3 | 15.7 | 0.86 | 72.7 | 1.37 | 52.3 | 0.52 | 0.82 |
BP150-2 | 7.0 | 3.92 | 0.92 | 33.2 | 3.86 | 0.90 | 51.0 | 13.8 | 0.85 | 76.2 | 1.43 | 56.6 | 0.44 | 0.67 |
BP200-1 | 6.7 | 4.10 | 0.94 | 33.8 | 3.93 | 0.91 | 64.7 | 23.3 | 0.68 | 73.8 | 1.39 | 58.4 | 0.46 | 0.88 |
BP200-2 | 6.5 | 4.22 | 0.95 | 34.3 | 3.99 | 0.92 | 70.2 | 29.7 | 0.56 | 66.8 | 1.25 | 50.6 | 0.51 | 1.05 |
BP250-1 | 8.0 | 3.43 | 0.86 | 30.3 | 3.52 | 0.86 | 61.1 | 25.6 | 0.57 | 71.4 | 1.34 | 52.7 | 0.42 | 0.86 |
BP250-2 | 6.9 | 3.98 | 0.92 | 34.7 | 4.03 | 0.92 | – | – | – | 81.1 | 1.52 | 45.8 | 0.43 | – |
BP300-1 | 9.5 | 2.89 | 0.76 | 26.8 | 3.12 | 0.80 | – | – | – | 78.6 | 1.48 | 55.3 | 0.34 | – |
BP300-2 | 8.4 | 3.27 | 0.83 | 29.2 | 3.40 | 0.84 | 60.7 | 28 | 0.49 | 81.7 | 1.53 | 74.7 | 0.36 | 0.74 |