Official Journal of the Japan Wood Research Society
Table 1 Summary of the reported elastic properties of moso laminated bamboo lumber under compression and shear
From: Mechanical properties of laminated bamboo lumber N-finity according to ISO 23478-2022
Refs. | Standard testing methods | Density (\(\rho\)) kg/m3 | Lamina direction | MC% | Compression properties | Poisson’s ratio | Shear properties | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Modulus (GPa) | Strength (MPa) | \({\nu }_{12}\) | \({\nu }_{13}\) | \({\nu }_{23}\) | Modulus (GPa) | Strength (MPa) | |||||
\({E}_{11}\) \({E}_{22}\) \({E}_{33}\) | \({f}_{11}\) \({f}_{22}\) \({f}_{33}\) | \({G}_{12}\) \({G}_{13}\) \({G}_{23}\) | \({f}_{12}\) \({f}_{13}\) \({f}_{23}\) | ||||||||
[9] | CNS 453 | 740 | Flatwise | 11.4 | – | 54.2 – – | – | – | – | – | – |
[10] | n.r | 630 | Flatwise | 8.26 | 8.641 – – | 57.9 – – | – | – | – | – | – |
[11] | n.r | 635 | Edgewise | 7.6 | 9.643 2.449 1.811 | 58.68 – – | 0.33 | 0.34 | 0.58 | 1.085 0.659 0.458 | – |
[12] | BS 373 | 686 | Flatwise | 6.0 | – | 77 22 – | – | – | – | – | 16 – – |
[1] | BS EN 408 CEN, 2012 | 666 | Flatwise edgewise | 8.6 | 8.166 – – | 34.4 – – | – | – | – | – | 5 – – |
[13] | n.r | – | Flatwise | 8.76 | 9.393 – – | 68.8 – – | 0.29 | – | – | – | – |
[14] | GB/T1931-2009 GB/T1933-2009 | 617 | Flatwise | 6.56 | 8.115 1.745 1.185 | 73.77 36.15 27.38 | 0.25 | 0.26 | 0.32 | 0.575 0.568 0.328 | 18.13 6.58 22.59 |
[15] | ASTM D143 | 780 | Flatwise | 10.6 | 11.022 – – | 56.3 – – | 0.26 | – | – | – | 17.5 – – |
[8] | GB/T 50329–2012 | 736 | Edgewise | 7.0 | 6.3237 1.4685 1.1920 | 59.63 21.91 19.85 | 0.25 | 0.2 | 0.43 | 1.365 1.260 0.461 | 18.13 6.58 22.59 |
[16] | JG/T 199–2007 | – | Edgewise | 8–12 | – | 56.26 18.78 – | – | – | – | – | 17.34 – - |
[17] | BS EN 408 | 674 | Flatwise | 7.0 | – | 75.2 – – | – | – | – | 0.468 0.390 – | 12 9.0 – |
[18] | GB/T1935-2009 GB/T1928-2009 | 640 | Edgewise | 6.0 | – | 84.9 – – | – | – | – | – | 12.1 – – |
This study | ISO 23478–2022 | 625 | Flatwise | 7.2 | 8.75 2.19 1.11 | 68.60 15.41 13.16 | 0.24 | 0.35 | 0.52 | 1.97 1.38 0.51 | 16.03 6.59 4.43 |