Skip to main content

Official Journal of the Japan Wood Research Society

Table 6 Values of the coefficient of deterioration (k) for each moisture content level

From: The evaluation of long-term mechanical properties of wood-based panels by indoor exposure tests

MCk (%)

WM

Symbol

Moisture content level (%)

4–6

6–8

8–10

10–12

12–14

14–16

16–18

4

Linear

4-Li

1.0

3.0

5.0

7.0

9.0

11.0

13.0

Exponent

4-Ex

0.5

2.1

4.1

6.6

9.6

13.1

17.1

Logarithm

4-Lo

1.6

4.0

5.8

7.2

8.4

9.5

10.4

8

Linear

8-Li

1.0

3.0

5.0

7.0

9.0

Exponent

8-Ex

0.6

2.1

4.1

6.6

9.6

Logarithm

8-Lo

1.6

4.0

5.8

7.2

8.4

12

Linear

12-Li

1.0

3.0

5.0

Exponent

12-Ex

0.2

1.8

5.0

Logarithm

12-Lo

1.5

3.9

5.0

  1. MCk lower limit of moisture content at which k = 0, WM a weighing manner of moisture content to k