Table 10 Axial damping ratio, λ (%), from the cyclic triaxial tests.
Relative density (%) | Confining pressure, \(\upsigma\)3 (KPa) | (Stress ratios/frequency) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
(.025/.1) | (.05/.1) | (.075/.1) | (.100/.1) | (.125/.1) | (.150/.1) | (.025/1) | (.05/1) | (.075/1) | .100/1 | .100/1 | ||
40 | 100 | 6.39 | 10.43 | 15.90 | – | – | – | 9.61 | 14.24 | 19.25 | – | – |
60 | 150 | 5.23 | 8.11 | 11.83 | 15.97 | – | – | 6.54 | 9.72 | 13.57 | – | – |
75 | 200 | 3.79 | 7.19 | 11.83 | 14.28 | – | – | 5.95 | 9.69 | 12.91 | 16.55 | – |
85 | 300 | 4.17 | 7.18 | 11.92 | 14.95 | 16.42 | 19.16 | 5.89 | 9.16 | 13.91 | 16.86 | 19.49 |
