Záměl
- 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 | 2150 | 3 | 0,12 |
| Real density | 2 | kg/m3 | 2710 | - | - |
| Open porosity | 6 | % | 18,2 | 0,1 | 0,8 |
| Total porosity | výpočtem | % | 20,4 | - | - |
| Apparent porosity | výpočtem | % | 11,8 | - | - |
| Water absorption | 6 | % | 5,45 | 0,08 | 1,4 |
| Water absorption coefficient | 3 | g.m-2.s-1/2 | 23,0 | 2,4 | 10,3 |
| Linear thermal expansion | 8 | 106.K-1 | 10,8 | 1,8 | 16,7 |
| Compressive strength | 10 | MPa | 60,1 | 4,3 | 7,15 |
| Flexural strength | 10 | MPa | 6,2 | 0,8 | 12,9 |
| Abrasion resistance | 1 | mm | 25,50 | - | - |
