Official Journal of the Japan Wood Research Society
From: Application of the vibration method with additional mass to timber guardrail beams
Specimen | End condition | Vertical vibration | Horizontal vibration |
---|---|---|---|
Cedar3 | Hanging with two threads | 189.200 | 185.400 |
Iron round bar insertion | 188.000 | – | |
Loose attachment to the post | 191.650 | 180.250 | |
Tight attachment to the post | 209.840 | 185.680 | |
Fixed ends | 247.833 | 242.855 | |
Cedar4 | Hanging with two threads | 192.800 | 186.200 |
Iron round bar insertion | 195.360 | – | |
Loose attachment to the post | 195.200 | 180.820 | |
Tight attachment to the post | 228.460 | 186.220 | |
Fixed ends | 252.549 | 243.903 | |
Cedar5 | Hanging with two threads | 213.000 | 207.160 |
Iron round bar insertion | 210.480 | – | |
Loose attachment to the post | 213.280 | 200.580 | |
Tight attachment to the post | 230.280 | 204.660 | |
Fixed ends | 279.009 | 271.359 |