Ruprechtice
- 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 | 5 | 0,21 |
| Real density | 2 | kg/m3 | 2670 | - | - |
| Open porosity | 6 | % | 0,4 | 0,026 | 6,2 |
| Total porosity | výpočtem | % | 1,3 | - | - |
| Apparent porosity | výpočtem | % | 0,4 | - | - |
| Water absorption | 6 | % | 0,14 | 0,003 | 2,4 |
| Water absorption coefficient | 3 | g.m-2.s-1/2 | 0,8 | 0,03 | 4,2 |
| Linear thermal expansion | 8 | 106.K-1 | 9,3 | 0,65 | 6,9 |
| Compressive strength | 10 | MPa | 167,6 | 20,2 | 12,05 |
| Flexural strength | 10 | MPa | 10,4 | 1,4 | 13,46 |
| Abrasion resistance | 1 | mm | 17 | - | - |
