Přední Kopanina
- 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 | 2030 | 16 | 0,77 |
| Real density | 2 | kg/m3 | 2660 | - | - |
| Open porosity | 6 | % | 19,4 | 0,45 | 2,3 |
| Total porosity | 6 | % | 23,6 | - | - |
| Apparent porosity | 6 | % | 18,7 | - | - |
| Water absorption | 6 | % | 9,22 | 0,644 | 7,0 |
| Water absorption coefficient | 3 | g.m-2.s-1/2 | 60,4 | 2,28 | 3,8 |
| Linear thermal expansion | 8 | 106.K-1 | 7,1 | 0,47 | 6,6 |
| Compressive strength | 10 | MPa | 69,6 | 13,4 | 19,3 |
| Flexural strength | 10 | MPa | 14,2 | 0,9 | 6,3 |
| Abrasion resistance | 1 | mm | 41,0 | - | - |
