Research Article
Characteristics of Direct Shear and Particle Breakage of Pebble Gravel Materials
Table 1
Pebble gravel sample preparation.
| | Group | Mass percentage of each particle group (%) | | (60–40 mm) | (40–20 mm) | (20–10 mm) | (10–5 mm) |
| | I: large particle size group | I-1 | 25 | 75 | — | — | | I-2 | 50 | 50 | — | — | | I-3 | 75 | 25 | — | — | | II: medium particle size group | II-1 | — | 25 | 75 | — | | II-2 | — | 50 | 50 | — | | II-3 | — | 75 | 25 | — | | III: small particle size group | III-1 | — | — | 25 | 75 | | III-2 | — | — | 50 | 50 | | III-3 | — | — | 75 | 25 |
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