**Figure 1.**
Bending geometry.

**Figure 1.**
Bending geometry.

**Figure 2.**
Categorization of test specimens.

**Figure 2.**
Categorization of test specimens.

**Figure 3.**
Principle of the three-point bending test [

33].

**Figure 3.**
Principle of the three-point bending test [

33].

**Figure 4.**
K_{bendC} in case of aspen.

**Figure 4.**
K_{bendC} in case of aspen.

**Figure 5.**
K_{bendC} in case of beech.

**Figure 5.**
K_{bendC} in case of beech.

**Figure 6.**
K_{bendB} in case of aspen.

**Figure 6.**
K_{bendB} in case of aspen.

**Figure 7.**
K_{bendB} in case of beech.

**Figure 7.**
K_{bendB} in case of beech.

**Table 1.**
Values of bending characteristics and the coefficients of variance of layered aspen material.

**Table 1.**
Values of bending characteristics and the coefficients of variance of layered aspen material.

WS | NWC | Location | Glue | T (mm) | Code of Test Sample | K_{bendC} | K_{bendB} | R_{minC} (mm) | R_{minB} (mm) |
---|

A | CA | U | PUR | 6 | A-CA-U-PUR-6 | 0.014 | 0.012 | 519.28 | 717.76 |

(17.0) | (13.5) | (9.4) | (11.9) |

A | CA | U | PUR | 10 | A-CA-U-PUR-10 | 0.024 | 0.015 | 526.38 | 693.13 |

(13.3) | (16.8) | (14.9) | (20.4) |

A | CA | U | PUR | 18 | A-CA-U-PUR-18 | 0.012 | 0.007 | 1616.03 | 2448.28 |

(8.4) | (7.8) | (14.7) | (13.5) |

A | CA | U | PVAc | 6 | A-CA-U-PVAc-6 | 0.039 | 0.026 | 150.72 | 227.08 |

(4.1) | (4.1) | (3.3) | (3.3) |

A | CA | U | PVAc | 10 | A-CA-U-PVAc-10 | 0.034 | 0.023 | 280.19 | 406.81 |

(5.0) | (5.1) | (12.0) | (17.0) |

A | CA | U | PVAc | 18 | A-CA-U-PVAc-18 | 0.013 | 0.008 | 1279.40 | 1651.62 |

(14.0) | (13.6) | (15.5) | (11.4) |

A | LA | U | PUR | 6 | A-LA-U-PUR-6 | 0.031 | 0.021 | 159.95 | 238.00 |

(11.3) | (17.5) | (14.3) | (18.0) |

A | LA | U | PUR | 10 | A-LA-U-PUR-10 | 0.024 | 0.015 | 511.83 | 671.01 |

(16.0) | (14.4) | (18.5) | (16.6) |

A | LA | U | PUR | 18 | A-LA-U-PUR-18 | 0.015 | 0.010 | 1233.71 | 1848.16 |

(17.2) | (17.2) | (14.0) | (14.0) |

A | LA | U | PVAc | 6 | A-LA-U-PVAc-6 | 0.043 | 0.028 | 134.11 | 202.81 |

(14.7) | (14.1) | (11.4) | (11.0) |

A | LA | U | PVAc | 10 | A-LA-U-PVAc-10 | 0.022 | 0.015 | 401.48 | 628.74 |

(11.3) | (17.6) | (10.8) | (9.6) |

A | LA | U | PVAc | 18 | A-LA-U-PVAc-18 | 0.016 | 0.011 | 1220.28 | 1688.32 |

(10.3) | (8.9) | (10.8) | (13.4) |

A | CA | D | PUR | 6 | A-CA-D-PUR-6 | 0.026 | 0.019 | 248.51 | 355.31 |

(19.4) | (17.9) | (19.1) | (16.0) |

A | CA | D | PUR | 10 | A-CA-D-PUR-10 | 0.022 | 0.014 | 379.73 | 570.20 |

(17.9) | (15.4) | (18.4) | (18.3) |

A | CA | D | PUR | 18 | A-CA-D-PUR-18 | 0.020 | 0.013 | 878.98 | 1365.45 |

(19.6) | (20.4) | (13.2) | (18.2) |

A | CA | D | PVAc | 6 | A-CA-D-PVAc-6 | 0.036 | 0.026 | 165.21 | 253.26 |

(19.2) | (21.0) | (11.8) | (7.4) |

A | CA | D | PVAc | 10 | A-CA-D-PVAc-10 | 0.037 | 0.024 | 280.82 | 427.67 |

(15.7) | (15.3) | (16.4) | (15.8) |

A | CA | D | PVAc | 18 | A-CA-D-PVAc-18 | 0.024 | 0.014 | 884.80 | 1454.81 |

(17.2) | (18.3) | (12.0) | (11.9) |

A | LA | D | PUR | 6 | A-LA-D-PUR-6 | 0.031 | 0.024 | 144.14 | 218.42 |

(15.6) | (20.4) | (15.0) | (14.7) |

A | LA | D | PUR | 10 | A-LA-D-PUR-10 | 0.032 | 0.021 | 330.58 | 495.74 |

(16.5) | (16.3) | (16.3) | (16.2) |

A | LA | D | PUR | 18 | A-LA-D-PUR-18 | 0.028 | 0.019 | 670.60 | 1004.97 |

(18.7) | (18.5) | (21.4) | (21.3) |

A | LA | D | PVAc | 6 | A-LA-D-PVAc-6 | 0.036 | 0.027 | 143.00 | 225.48 |

(7.2) | (12.1) | (14.7) | (15.4) |

A | LA | D | PVAc | 10 | A-LA-D-PVAc-10 | 0.027 | 0.018 | 402.30 | 602.38 |

(16.6) | (16.5) | (18.6) | (18.5) |

A | LA | D | PVAc | 18 | A-LA-D-PVAc-18 | 0.023 | 0.014 | 886.44 | 1322.03 |

(19.2) | (19.9) | (17.9) | (18.0) |

**Table 2.**
Average values of bending characteristics and the coefficients of variance of layered beech material.

**Table 2.**
Average values of bending characteristics and the coefficients of variance of layered beech material.

WS | NWC | Location | Glue | T (mm) | Code of Test Sample | K_{bendC} | K_{bendB} | R_{minC} (mm) | R_{minB} (mm) |
---|

B | CA | U | PUR | 6 | B-CA-U-PUR-6 | 0.024 | 0.016 | 231.20 | 340.25 |

(17.6) | (17.6) | (12.9) | (8.4) |

B | CA | U | PUR | 10 | B-CA-U-PUR-10 | 0.026 | 0.017 | 459.30 | 663.96 |

(15.4) | (18.6) | (20.7) | (17.4) |

B | CA | U | PUR | 18 | B-CA-U-PUR-18 | 0.011 | 0.006 | 2262.89 | 3288.95 |

(6.0) | (19.4) | (18.2) | (16.4) |

B | CA | U | PVAc | 6 | B-CA-U-PVAc-6 | 0.037 | 0.024 | 153.98 | 232.03 |

(9.1) | (8.8) | (8.9) | (8.7) |

B | CA | U | PVAc | 10 | B-CA-U-PVAc-10 | 0.031 | 0.021 | 354.65 | 531.16 |

(9.6) | (9.6) | (9.5) | (9.5) |

B | CA | U | PVAc | 18 | B-CA-U-PVAc-18 | 0.014 | 0.009 | 1416.71 | 1804.00 |

(16.9) | (9.7) | (12.4) | (21.0) |

B | LA | U | PUR | 6 | B-LA-U-PUR-6 | 0.044 | 0.030 | 134.43 | 169.19 |

(5.1) | (0.8) | (11.2) | (8.5) |

B | LA | U | PUR | 10 | B-LA-U-PUR-10 | 0.025 | 0.016 | 439.62 | 657.95 |

(16.4) | (16.3) | (18.5) | (18.4) |

B | LA | U | PUR | 18 | B-LA-U-PUR-18 | 0.008 | 0.005 | 2442.86 | 3391.53 |

(19.3) | (17.2) | (20.3) | (14.3) |

B | LA | U | PVAc | 6 | B-LA-U-PVAc-6 | 0.033 | 0.022 | 168.33 | 253.25 |

(5.6) | (5.5) | (4.7) | (4.6) |

B | LA | U | PVAc | 10 | B-LA-U-PVAc-10 | 0.032 | 0.022 | 317.76 | 476.68 |

(11.8) | (10.8) | (16.7) | (16.4) |

B | LA | U | PVAc | 18 | B-LA-U-PVAc-18 | 0.013 | 0.008 | 1451.32 | 2171.66 |

(19.2) | (19.2) | (18.4) | (18.4) |

B | CA | D | PUR | 6 | B-CA-D-PUR-6 | 0.034 | 0.023 | 166.27 | 250.18 |

(7.7) | (7.6) | (8.6) | (8.4) |

B | CA | D | PUR | 10 | B-CA-D-PUR-10 | 0.025 | 0.015 | 427.22 | 644.19 |

(17.9) | (17.9) | (18.8) | (18.5) |

B | CA | D | PUR | 18 | B-CA-D-PUR-18 | 0.015 | 0.015 | 1232.78 | 1488.03 |

(12.3) | (18.5) | (15.1) | (17.2) |

B | CA | D | PVAc | 6 | B-CA-D-PVAc-6 | 0.042 | 0.028 | 135.40 | 204.75 |

(14.0) | (13.6) | (12.5) | (12.2) |

B | CA | D | PVAc | 10 | B-CA-D-PVAc-10 | 0.030 | 0.021 | 296.37 | 489.47 |

(14.9) | (19.5) | (16.9) | (19.4) |

B | CA | D | PVAc | 18 | B-CA-D-PVAc-18 | 0.021 | 0.014 | 793.45 | 1248.23 |

(18.9) | (18.8) | (18.4) | (11.0) |

B | LA | D | PUR | 6 | B-LA-D-PUR-6 | 0.046 | 0.030 | 105.94 | 162.18 |

(7.4) | (7.0) | (7.5) | (7.0) |

B | LA | D | PUR | 10 | B-LA-D-PUR-10 | 0.024 | 0.015 | 426.66 | 683.36 |

(13.0) | (17.9) | (13.0) | (19.0) |

B | LA | D | PUR | 18 | B-LA-D-PUR-18 | 0.026 | 0.016 | 663.54 | 1209.10 |

(18.4) | (16.7) | (18.5) | (14.0) |

B | LA | D | PVAc | 6 | B-LA-D-PVAc-6 | 0.035 | 0.023 | 160.41 | 241.58 |

(8.5) | (8.3) | (7.9) | (7.7) |

B | LA | D | PVAc | 10 | B-LA-D-PVAc-10 | 0.034 | 0.024 | 296.34 | 459.85 |

(19.3) | (13.5) | (19.6) | (13.9) |

B | LA | D | PVAc | 18 | B-LA-D-PVAc-18 | 0.033 | 0.022 | 526.61 | 795.58 |

(17.3) | (17.0) | (16.3) | (16.4) |

**Table 3.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendC}) for aspen and non-wood component (NWC) on the bottom.

**Table 3.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendC}) for aspen and non-wood component (NWC) on the bottom.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 0.101015 | 1 | 0.101015 | 4182.484 | *** |

1) Type of Sample | 0.003778 | 11 | 0.000343 | 14.220 | *** |

Error | 0.002608 | 108 | 0.000024 | | |

**Table 4.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendC}) for aspen and NWC on top.

**Table 4.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendC}) for aspen and NWC on top.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 0.058817 | 1 | 0.058817 | 5814.366 | *** |

1) Type of Sample | 0.010364 | 11 | 0.000942 | 93.141 | *** |

Error | 0.001022 | 101 | 0.000010 | | |

**Table 5.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendC}) for beech and NWC on the bottom.

**Table 5.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendC}) for beech and NWC on the bottom.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 0.114036 | 1 | 0.114036 | 5587.265 | *** |

1) Type of Sample | 0.008469 | 11 | 0.000770 | 37.724 | *** |

Error | 0.002204 | 108 | 0.000020 | | |

**Table 6.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendC}) for beech and NWC on top.

**Table 6.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendC}) for beech and NWC on top.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 0.055837 | 1 | 0.055837 | 5566.564 | *** |

1) Type of Sample | 0.011935 | 11 | 0.001085 | 108.163 | *** |

Error | 0.001144 | 114 | 0.000010 | | |

**Table 7.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendB}) for aspen and NWC on the bottom.

**Table 7.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendB}) for aspen and NWC on the bottom.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 0.046953 | 1 | 0.046953 | 3654.379 | *** |

1) Type of Sample | 0.002775 | 11 | 0.000252 | 19.633 | *** |

Error | 0.001388 | 108 | 0.000013 | | |

**Table 8.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendB}) for aspen and NWC on top.

**Table 8.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendB}) for aspen and NWC on top.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 0.026766 | 1 | 0.026766 | 5122.907 | *** |

1) Type of Sample | 0.004369 | 11 | 0.000397 | 76.012 | *** |

Error | 0.000528 | 101 | 0.000005 | | |

**Table 9.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendB}) for beech and NWC on the bottom.

**Table 9.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendB}) for beech and NWC on the bottom.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 0.052061 | 1 | 0.052061 | 5814.871 | *** |

1) Type of Sample | 0.003206 | 11 | 0.000291 | 32.553 | *** |

Error | 0.000967 | 108 | 0.000009 | | |

**Table 10.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendB}) for beech and NWC on top.

**Table 10.**
Statistical evaluation of the effect of the factors and their interaction on the coefficient of wood bendability (K_{bendB}) for beech and NWC on top.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 0.024553 | 1 | 0.024553 | 5158.266 | *** |

1) Type of Sample | 0.005388 | 11 | 0.000490 | 102.915 | *** |

Error | 0.000543 | 114 | 0.000005 | | |

**Table 11.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minC}) for aspen and NWC on the bottom.

**Table 11.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minC}) for aspen and NWC on the bottom.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 24436158 | 1 | 24436158 | 3264.754 | *** |

1) Type of Sample | 9717956 | 11 | 883451 | 118.032 | *** |

Error | 808363 | 108 | 7485 | | |

**Table 12.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minC}) for aspen and NWC on top.

**Table 12.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minC}) for aspen and NWC on top.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 44421882 | 1 | 44421882 | 2710.337 | *** |

1) Type of Sample | 28160468 | 11 | 2560043 | 156.197 | *** |

Error | 1655370 | 101 | 16390 | | |

**Table 13.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minC}) for beech and NWC on the bottom.

**Table 13.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minC}) for beech and NWC on the bottom.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 22802737 | 1 | 22802737 | 2892.018 | *** |

1) Type of Sample | 12097814 | 11 | 1099801 | 139.485 | *** |

Error | 851549 | 108 | 7885 | | |

**Table 14.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minC}) for beech and NWC on top.

**Table 14.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minC}) for beech and NWC on top.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 58491893 | 1 | 58491893 | 1178.097 | *** |

1) Type of Sample | 81191097 | 11 | 7381009 | 148.662 | *** |

Error | 5660040 | 114 | 49649 | | |

**Table 15.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minB}) for aspen and NWC on the bottom.

**Table 15.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minB}) for aspen and NWC on the bottom.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 57349324 | 1 | 57349324 | 2933.356 | *** |

1) Type of Sample | 24093243 | 11 | 2190295 | 112.031 | *** |

Error | 2111481 | 108 | 19551 | | |

**Table 16.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minB}) for aspen and NWC on top.

**Table 16.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minB}) for aspen and NWC on top.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 89797468 | 1 | 89797468 | 2744.915 | *** |

1) Type of Sample | 61286334 | 11 | 5571485 | 170.308 | *** |

Error | 3304126 | 101 | 32714 | | |

**Table 17.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minB}) for beech and NWC on the bottom.

**Table 17.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minB}) for beech and NWC on the bottom.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 51699287 | 1 | 51699287 | 2759.401 | *** |

1) Type of Sample | 22194201 | 11 | 2017655 | 107.690 | *** |

Error | 2023455 | 108 | 18736 | | |

**Table 18.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minB}) for beech and NWC on top.

**Table 18.**
Statistical evaluation of the effect of the factors and their interaction on the minimum bend radius at the yield point (R_{minB}) for beech and NWC on top.

Monitored Factor | Sum of Squares | Degrees of Freedom | Variance | Fisher’s F-Test | Significance Level |
---|

Intercept | 118241938 | 1 | 118241938 | 1681.398 | *** |

1) Type of Sample | 159214450 | 11 | 14474041 | 205.821 | *** |

Error | 8016889 | 114 | 70324 | | |

**Table 19.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendC}) for aspen and NWC on the bottom.

**Table 19.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendC}) for aspen and NWC on the bottom.

No. | Type of Sample | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) |
---|

0.026 | 0.022 | 0.020 | 0.036 | 0.037 | 0.024 | 0.031 | 00.32 | 0.028 | 0.036 | 0.027 | 0.023 |
---|

1. | A-CA-D-PUR-6 | | | | | | | | | | | | |

2. | A-CA-D-PUR-10 | 0.048 | | | | | | | | | | | |

3. | A-CA-D-PUR-18 | 0.007 | 0.414 | | | | | | | | | | |

4. | A-CA-D-PVAc-6 | 0.000 | 0.000 | 0.000 | | | | | | | | | |

5. | A-CA-D-PVAc-10 | 0.000 | 0.000 | 0.000 | 0.973 | | | | | | | | |

6. | A-CA-D-PVAc-18 | 0.261 | 0.331 | 0.092 | 0.000 | 0.000 | | | | | | | |

7. | A-LA-D-PUR-6 | 0.049 | 0.000 | 0.000 | 0.032 | 0.035 | 0.003 | | | | | | |

8. | A-LA-D-PUR-10 | 0.016 | 0.000 | 0.000 | 0.085 | 0.096 | 0.001 | 0.595 | | | | | |

9. | A-LA-D-PUR-18 | 0.445 | 0.008 | 0.001 | 0.001 | 0.001 | 0.077 | 0.182 | 0.078 | | | | |

10. | A-LA-D-PVAc-6 | 0.000 | 0.000 | 0.000 | 0.943 | 0.965 | 0.000 | 0.036 | 0.100 | 0.001 | | | |

11. | A-LA-D-PVAc-10 | 0.895 | 0.040 | 0.005 | 0.000 | 0.000 | 0.238 | 0.057 | 0.019 | 0.494 | 0.000 | | |

12. | A-LA-D-PVAc-18 | 0.213 | 0.403 | 0.120 | 0.000 | 0.000 | 0.840 | 0.002 | 0.000 | 0.056 | 0.000 | 0.187 | |

**Table 20.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendC}) for aspen and NWC on top.

**Table 20.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendC}) for aspen and NWC on top.

No. | Type of Sample | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) |
---|

0.014 | 0.024 | 0.012 | 0.039 | 0.034 | 0.013 | 0.031 | 0.024 | 0.015 | 0.043 | 0.022 | 0.016 |
---|

1. | A-CA-U-PUR-6 | | | | | | | | | | | | |

2. | A-CA-U-PUR-10 | 0.000 | | | | | | | | | | | |

3. | A-CA-U-PUR-18 | 0.198 | 0.000 | | | | | | | | | | |

4. | A-CA-U-PVAc-6 | 0.000 | 0.000 | 0.000 | | | | | | | | | |

5. | A-CA-U-PVAc-10 | 0.000 | 0.000 | 0.000 | 0.002 | | | | | | | | |

6. | A-CA-U-PVAc-18 | 0.886 | 0.000 | 0.221 | 0.000 | 0.000 | | | | | | | |

7. | A-LA-U-PUR-6 | 0.000 | 0.000 | 0.000 | 0.000 | 0.075 | 0.000 | | | | | | |

8. | A-LA-U-PUR-10 | 0.000 | 0.935 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | | | | | |

9. | A-LA-U-PUR-18 | 0.603 | 0.000 | 0.086 | 0.000 | 0.000 | 0.535 | 0.000 | 0.000 | | | | |

10. | A-LA-U-PVAc-6 | 0.000 | 0.000 | 0.000 | 0.011 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | | | |

11. | A-LA-U-PVAc-10 | 0.000 | 0.242 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.240 | 0.000 | 0.000 | | |

12. | A-LA-U-PVAc-18 | 0.264 | 0.000 | 0.022 | 0.000 | 0.000 | 0.228 | 0.000 | 0.000 | 0.502 | 0.000 | 0.000 | |

**Table 21.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendC}) for beech and NWC on the bottom.

**Table 21.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendC}) for beech and NWC on the bottom.

No. | Type of Sample | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) |
---|

0.034 | 0.025 | 0.015 | 0.042 | 0.030 | 0.021 | 0.046 | 0.024 | 0.026 | 0.035 | 0.034 | 0.033 |
---|

1. | B-CA-D-PUR-6 | | | | | | | | | | | | |

2. | B-CA-D-PUR-10 | 0.000 | | | | | | | | | | | |

3. | B-CA-D-PUR-18 | 0.000 | 0.000 | | | | | | | | | | |

4. | B-CA-D-PVAc-6 | 0.000 | 0.000 | 0.000 | | | | | | | | | |

5. | B-CA-D-PVAc-10 | 0.029 | 0.032 | 0.000 | 0.000 | | | | | | | | |

6. | B-CA-D-PVAc-18 | 0.000 | 0.042 | 0.009 | 0.000 | 0.000 | | | | | | | |

7. | B-LA-D-PUR-6 | 0.000 | 0.000 | 0.000 | 0.107 | 0.000 | 0.000 | | | | | | |

8. | B-LA-D-PUR-10 | 0.000 | 0.655 | 0.000 | 0.000 | 0.012 | 0.089 | 0.000 | | | | | |

9. | B-LA-D-PUR-18 | 0.000 | 0.702 | 0.000 | 0.000 | 0.061 | 0.020 | 0.000 | 0.438 | | | | |

10. | B-LA-D-PVAc-6 | 0.861 | 0.000 | 0.000 | 0.000 | 0.025 | 0.000 | 0.000 | 0.000 | 0.000 | | | |

11. | B-LA-D-PVAc-10 | 0.910 | 0.000 | 0.000 | 0.000 | 0.027 | 0.000 | 0.000 | 0.000 | 0.000 | 0.941 | | |

12. | B-LA-D-PVAc-18 | 0.592 | 0.000 | 0.000 | 0.000 | 0.078 | 0.000 | 0.000 | 0.000 | 0.001 | 0.516 | 0.544 | |

**Table 22.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendC}) for beech and NWC on top.

**Table 22.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendC}) for beech and NWC on top.

No. | Type of Sample | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) |
---|

0.024 | 0.026 | 0.011 | 0.037 | 0.031 | 0.014 | 0.044 | 0.025 | 0.008 | 0.033 | 0.032 | 0.013 |
---|

1. | B-CA-U-PUR-6 | | | | | | | | | | | | |

2. | B-CA-U-PUR-10 | 0.174 | | | | | | | | | | | |

3. | B-CA-U-PUR-18 | 0.000 | 0.000 | | | | | | | | | | |

4. | B-CA-U-PVAc-6 | 0.000 | 0.000 | 0.000 | | | | | | | | | |

5. | B-CA-U-PVAc-10 | 0.000 | 0.006 | 0.000 | 0.001 | | | | | | | | |

6. | B-CA-U-PVAc-18 | 0.000 | 0.000 | 0.062 | 0.000 | 0.000 | | | | | | | |

7. | B-LA-U-PUR-6 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | | | | | | |

8. | B-LA-U-PUR-10 | 0.689 | 0.296 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | | | | | |

9. | B-LA-U-PUR-18 | 0.000 | 0.000 | 0.060 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | | | | |

10. | B-LA-U-PVAc-6 | 0.000 | 0.000 | 0.000 | 0.017 | 0.304 | 0.000 | 0.000 | 0.000 | 0.000 | | | |

11. | B-LA-U-PVAc-10 | 0.000 | 0.001 | 0.000 | 0.005 | 0.581 | 0.000 | 0.000 | 0.000 | 0.000 | 0.585 | | |

12. | B-LA-U-PVAc-18 | 0.000 | 0.000 | 0.313 | 0.000 | 0.000 | 0.333 | 0.000 | 0.000 | 0.006 | 0.000 | 0.000 | |

**Table 23.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendB}) for aspen and NWC on the bottom.

**Table 23.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendB}) for aspen and NWC on the bottom.

No. | Type of Sample | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) |
---|

0.019 | 0.014 | 0.013 | 0.026 | 0.024 | 0.014 | 0.024 | 0.021 | 0.019 | 0.027 | 0.018 | 0.014 |
---|

1. | A-CA-D-PUR-6 | | | | | | | | | | | | |

2. | A-CA-D-PUR-10 | 0.004 | | | | | | | | | | | |

3. | A-CA-D-PUR-18 | 0.003 | 0.936 | | | | | | | | | | |

4. | A-CA-D-PVAc-6 | 0.000 | 0.000 | 0.000 | | | | | | | | | |

5. | A-CA-D-PVAc-10 | 0.004 | 0.000 | 0.000 | 0.124 | | | | | | | | |

6. | A-CA-D-PVAc-18 | 0.003 | 0.996 | 0.937 | 0.000 | 0.000 | | | | | | | |

7. | A-LA-D-PUR-6 | 0.005 | 0.000 | 0.000 | 0.105 | 0.859 | 0.000 | | | | | | |

8. | A-LA-D-PUR-10 | 0.112 | 0.000 | 0.000 | 0.005 | 0.153 | 0.000 | 0.181 | | | | | |

9. | A-LA-D-PUR-18 | 0.918 | 0.005 | 0.004 | 0.000 | 0.003 | 0.004 | 0.005 | 0.110 | | | | |

10. | A-LA-D-PVAc-6 | 0.000 | 0.000 | 0.000 | 0.808 | 0.093 | 0.000 | 0.074 | 0.003 | 0.000 | | | |

11. | A-LA-D-PVAc-10 | 0.503 | 0.021 | 0.020 | 0.000 | 0.001 | 0.018 | 0.001 | 0.034 | 0.540 | 0.000 | | |

12. | A-LA-D-PVAc-18 | 0.005 | 0.844 | 0.795 | 0.000 | 0.000 | 0.837 | 0.000 | 0.000 | 0.006 | 0.000 | 0.022 | |

**Table 24.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendB}) for aspen and NWC on top.

**Table 24.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendB}) for aspen and NWC on top.

No. | Type of Sample | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) |
---|

0.012 | 0.015 | 0.007 | 0.026 | 0.023 | 0.008 | 0.021 | 0.015 | 0.010 | 0.028 | 0.015 | 0.011 |
---|

1. | A-CA-U-PUR-6 | | | | | | | | | | | | |

2. | A-CA-U-PUR-10 | 0.002 | | | | | | | | | | | |

3. | A-CA-U-PUR-18 | 0.000 | 0.000 | | | | | | | | | | |

4. | A-CA-U-PVAc-6 | 0.000 | 0.000 | 0.000 | | | | | | | | | |

5. | A-CA-U-PVAc-10 | 0.000 | 0.000 | 0.000 | 0.005 | | | | | | | | |

6. | A-CA-U-PVAc-18 | 0.004 | 0.000 | 0.393 | 0.000 | 0.000 | | | | | | | |

7. | A-LA-U-PUR-6 | 0.000 | 0.000 | 0.000 | 0.000 | 0.153 | 0.000 | | | | | | |

8. | A-LA-U-PUR-10 | 0.003 | 0.820 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | | | | | |

9. | A-LA-U-PUR-18 | 0.071 | 0.000 | 0.056 | 0.000 | 0.000 | 0.242 | 0.000 | 0.000 | | | | |

10. | A-LA-U-PVAc-6 | 0.000 | 0.000 | 0.000 | 0.024 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | | | |

11. | A-LA-U-PVAc-10 | 0.002 | 0.997 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.810 | 0.000 | 0.000 | | |

12. | A-LA-U-PVAc-18 | 0.480 | 0.000 | 0.003 | 0.000 | 0.000 | 0.024 | 0.000 | 0.000 | 0.226 | 0.000 | 0.000 | |

**Table 25.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendB}) for beech and NWC on the bottom.

**Table 25.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendB}) for beech and NWC on the bottom.

No. | Type of Sample | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) |
---|

0.023 | 0.015 | 0.015 | 0.028 | 0.021 | 0.014 | 0.030 | 0.015 | 0.016 | 0.023 | 0.024 | 0.022 |
---|

1. | B-CA-D-PUR-6 | | | | | | | | | | | | |

2. | B-CA-D-PUR-10 | 0.000 | | | | | | | | | | | |

3. | B-CA-D-PUR-18 | 0.000 | 0.973 | | | | | | | | | | |

4. | B-CA-D-PVAc-6 | 0.000 | 0.000 | 0.000 | | | | | | | | | |

5. | B-CA-D-PVAc-10 | 0.455 | 0.000 | 0.000 | 0.000 | | | | | | | | |

6. | B-CA-D-PVAc-18 | 0.000 | 0.428 | 0.416 | 0.000 | 0.000 | | | | | | | |

7. | B-LA-D-PUR-6 | 0.000 | 0.000 | 0.000 | 0.179 | 0.000 | 0.000 | | | | | | |

8. | B-LA-D-PUR-10 | 0.000 | 0.977 | 0.954 | 0.000 | 0.000 | 0.431 | 0.000 | | | | | |

9. | B-LA-D-PUR-18 | 0.000 | 0.524 | 0.521 | 0.000 | 0.000 | 0.178 | 0.000 | 0.514 | | | | |

10. | B-LA-D-PVAc-6 | 0.863 | 0.000 | 0.000 | 0.001 | 0.382 | 0.000 | 0.000 | 0.000 | 0.000 | | | |

11. | B-LA-D-PVAc-10 | 0.291 | 0.000 | 0.000 | 0.007 | 0.087 | 0.000 | 0.000 | 0.000 | 0.000 | 0.340 | | |

12. | B-LA-D-PVAc-18 | 0.473 | 0.000 | 0.000 | 0.000 | 0.935 | 0.000 | 0.000 | 0.000 | 0.000 | 0.405 | 0.094 | |

**Table 26.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendB}) for beech and NWC on top.

**Table 26.**
Comparison of the effects of individual factors using Duncan’s test on the coefficient of bendability (K_{bendB}) for beech and NWC on top.

No. | Type of Sample | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) |
---|

0.016 | 0.017 | 0.006 | 0.024 | 0.021 | 0.009 | 0.030 | 0.016 | 0.005 | 0.022 | 0.022 | 0.008 |
---|

1. | B-CA-U-PUR-6 | | | | | | | | | | | | |

2. | B-CA-U-PUR-10 | 0.398 | | | | | | | | | | | |

3. | B-CA-U-PUR-18 | 0.000 | 0.000 | | | | | | | | | | |

4. | B-CA-U-PVAc-6 | 0.000 | 0.000 | 0.000 | | | | | | | | | |

5. | B-CA-U-PVAc-10 | 0.000 | 0.002 | 0.000 | 0.003 | | | | | | | | |

6. | B-CA-U-PVAc-18 | 0.000 | 0.000 | 0.014 | 0.000 | 0.000 | | | | | | | |

7. | B-LA-U-PUR-6 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | | | | | | |

8. | B-LA-U-PUR-10 | 0.682 | 0.621 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | | | | | |

9. | B-LA-U-PUR-18 | 0.000 | 0.000 | 0.690 | 0.000 | 0.000 | 0.006 | 0.000 | 0.000 | | | | |

10. | B-LA-U-PVAc-6 | 0.000 | 0.000 | 0.000 | 0.031 | 0.329 | 0.000 | 0.000 | 0.000 | 0.000 | | | |

11. | B-LA-U-PVAc-10 | 0.000 | 0.000 | 0.000 | 0.032 | 0.303 | 0.000 | 0.000 | 0.000 | 0.000 | 0.902 | | |

12. | B-LA-U-PVAc-18 | 0.000 | 0.000 | 0.038 | 0.000 | 0.000 | 0.615 | 0.000 | 0.000 | 0.018 | 0.000 | 0.000 | |