Horka
- 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 | 2630 | 1 | 0,03 |
| Real density | 2 | kg/m3 | 2670 | - | - |
| Open porosity | 6 | % | 0,8 | 0,007 | 0,9 |
| Total porosity | výpočtem | % | 1,6 | - | - |
| Apparent porosity | výpočtem | % | 0,7 | - | - |
| Water absorption | 6 | % | 0,28 | 0,007 | 2,7 |
| Water absorption coefficient | 3 | g.m-2.s-1/2 | 2,2 | 0,2 | 8,8 |
| Linear thermal expansion | 8 | 106.K-1 | 6,1 | 0,91 | 14,9 |
| Compressive strength | 10 | MPa | 166,9 | 12,8 | 7,7 |
| Flexural strength | 10 | MPa | 15,6 | 2,5 | 16,0 |
| Abrasion resistance | 1 | mm | 17,0 | - | - |
