Official Journal of the Japan Wood Research Society
Table 3 Deterioration level criteria
From: Comparison of natural durability of wood by stake tests followed by survival analysis
Deterioration level | Conditions of stake |
|---|---|
0 | Sound |
1 | Partially slight rot and/or termite attack |
2 | Wholly slight rot and/or termite attack |
3 | Partially severe rot and/or termite attack on the condition in 2 |
4 | Wholly severe rot and/or termite attack |
5 | Collapse of shape caused by rot and/or termite attack |