Official Journal of the Japan Wood Research Society
Bolt Number | Th [mm] | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
30 | Â | Â | Â | 45 | Â | Â | Â | 60 | Â | Â | Â | |
S [mm] | ||||||||||||
48 | 60 | 72 | 82 | 48 | 60 | 72 | 82 | 48 | 60 | 72 | 82 | |
Kew [kN/mm] | ||||||||||||
A | 10.0 | 8.4 | 6.8 | 11.9 | 4.7 | 12.4 | 7.2 | 9.0 | 5.2 | 5.8 | 11.4 | 5.8 |
B | 12.3 | 8.2 | 6.4 | 11.3 | 5.4 | 13.0 | 5.1 | 11.3 | 6.0 | 6.1 | 10.4 | 5.6 |
C | 13.3 | 8.9 | 6.5 | 10.4 | 5.4 | 10.0 | 4.9 | 12.8 | 6.0 | 5.7 | 9.8 | 5.7 |
D | 13.9 | 10.6 | 6.4 | 10.2 | 4.9 | 12.8 | 4.9 | 14.4 | 5.4 | 5.7 | 10.8 | 5.9 |