Table 4. Result of CLT compression strength test
| Specimens | Experiment compression strength | Failure mode |
| Layer composition ratio (%) | Compression strength (MPa) | Compression MOE (GPa) | Surface failure mode ratio (%) | Side failure mode ratio (%) |
| High grade lumber | Low grade lumber | A | B | C | D | E | F, G, H | I, J |
| LE12A | 60 | 40 | 28.97 (0.03) | 18.43 (0.09) | 0 | 42 | 8 | 25 | 25 | 67 | 33 |
| LE12B | 40 | 60 | 28.26 (0.04) | 17.99 (0.12) | 8 | 33 | 8 | 8 | 42 | 75 | 25 |
| LE16A | 60 | 40 | 30.71 (0.04) | 21.55 (0.10) | 8 | 25 | 0 | 50 | 17 | 58 | 42 |
| LE16B | 40 | 60 | 28.17 (0.06) | 21.20 (0.16) | 8 | 25 | 8 | 42 | 17 | 75 | 25 |
( ): Coefficient of variation.
CLT: cross-laminated timber, MOE: modulus of elasticity.