Částkov
- Quarry
- Stone appearance
- Petrographic examination
- Physical properties
- Frost resistance
- Particle size distribution by image analysis
- Chemical and phase composition
- Notes and literature
Physical properties
| Parameter | Number of measurement | Unit | Value | Standard deviation | Coefficient of variation [%] |
|---|---|---|---|---|---|
| Apparent density | 6 | kg/m3 | 2840 | 3 | 0,09 |
| Real density | 2 | kg/m3 | 2840 | - | - |
| Open porosity | 6 | % | 0,1 | 0,008 | 16,1 |
| Total porosity | výpočtem | % | < 0,1 | - | - |
| Apparent porosity | výpočtem | % | < 0,1 | - | - |
| Water absorption | 6 | % | 0,01 | 0,001 | 8,3 |
| Water absorption coefficient | 3 | g.m-2.s-1/2 | 0,1 | < 0,05 | < 50 |
| Linear thermal expansion | 8 | 106.K-1 | 6,1 | 0,97 | 16,0 |
| Compressive strength | 10 | MPa | 182,6 | 12,5 | 6,8 |
| Flexural strength | 10 | MPa | 24,0 | 1,9 | 7,9 |
| Abrasion resistance | 1 | mm | 14,0 | - | - |
