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Official Journal of the Japan Wood Research Society

Table 2 Observed initial stress

From: Stress relaxation behavior of wood in the plastic region under indoor conditions

Designation of specimens

Init (MPa)

1 min (MPa)

1 min/init

20-P0.5

3.83

3.47

0.91

20-P1

3.86

3.40

0.88

20-P2

5.00

4.45

0.89

30-P1.5

5.14

4.56

0.89

45-P1.5

5.17

4.42

0.85

30-PE

2.20

2.11

0.96

30-P1.6A

6.14

4.87

0.79

30-P1.6B

7.53

6.09

0.81

90-P1.6

8.02

6.93

0.86

30-FE

0.88

0.80

0.91

Lag45-P2.3

6.41

5.66

0.88

  1. Init, initial stress; 1 min, stress 1 min after tightening