Research Article
Prediction of Small-Strain Dynamic Properties on Granulated Spherical Glass Bead-Polyurethane Mixtures
| Type | Small material | Large particles | PB | GB 100 | GB 250 | GB 400 | GB 600 | GB 700 |
| Particle-size ratio () | — | 1.1 | 1.6 | 2.9 | 4.2 | 6.3 |
| Confining pressure () | — | 100 | 100 | 100 | 100 | 100 | 200 | 200 | 200 | 200 | 200 | 300 | 300 | 300 | 300 | 300 |
| Relative density ( (%)) | — | 40 | 40 | 40 | 40 | 40 | 60 | 60 | 60 | 60 | 60 | 80 | 80 | 80 | 80 | 80 |
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