Bratříkov
- 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 | 2760 | 13 | 0,47 |
| Real density | 2 | kg/m3 | 2810 | - | - |
| Open porosity | 6 | % | 2,1 | 0,39 | 18,4 |
| Total porosity | 6 | % | 1,8 | - | - |
| Apparent porosity | 6 | % | 1,6 | - | - |
| Water absorption | 6 | % | 0,57 | 0,17 | 28,9 |
| Water absorption coefficient | 3 | g.m-2.s-1/2 | 0,7 | 0,06 | 9,1 |
| Linear thermal expansion | 8 | 106.K-1 | 9,3 | 1,6 | 17,2 |
| Compressive strength | 10 | MPa | 73,5 | 17,7 | 24,1 |
| Flexural strength | 10 | MPa | 19,8 | 3,0 | 15,2 |
| Abrasion resistance | 10 | mm | 37,5 | - | - |
