Official Journal of the Japan Wood Research Society
Table 3 An example of resonance frequency [Hz] of the second and third modes of a compressed specimen with and without the concentrated mass (1000-mm-long specimens)
Mode | Number of staples | ||||
|---|---|---|---|---|---|
8 | 6 | 4 | 2 | 0 | |
2nd | 5466 | 5471 | 5475 | 5479 | 5484 |
3rd | 8189 | 8196 | 8200 | 8215 | 8216 |