Research Article
Weathering Influence on Properties of Siltstones from Istria, Croatia
Table 2
Geotechnical properties of the siltstone samples of different weathering grades.
| | Weathering grade | Sampling location | Grain size analysis [%] [30] | Atterberg limits [%] | Specific gravity [g/cm3] [30] | | Sand (S) | Silt (M) | Clay (C) | Plastic limit () | Liquid limit () | Plasticity index (PI) | () | | Casagrande device | Fall cone test |
| | I (FR) | Cunj | 69 | 20 | 11 | 27 | 33 | 31 | 4 | 2.65 | | II (SW) | 80 | 20 | 23 | 34 | 28 | 5 | — | | III (MW) | 75 | 15 | 10 | 24 | 35 | 32 | 8 | 2.62 | | V (CW) | 80 | 13 | 7 | 28 | 43 | 40 | 12 | 2.58 |
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