Nečín
- 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 | 2640 | 0 | 0,02 |
| Real density | 2 | kg/m3 | 2680 | - | - |
| Open porosity | 6 | % | 0,6 | 0,017 | 2,7 |
| Total porosity | výpočtem | % | 1,4 | - | - |
| Apparent porosity | výpočtem | % | 0,6 | - | - |
| Water absorption | 6 | % | 0,22 | 0,01 | 4,4 |
| Water absorption coefficient | 3 | g.m-2.s-1/2 | 1,0 | 0,04 | 4,2 |
| Linear thermal expansion | 8 | 106.K-1 | 8,4 | 1,73 | 20,7 |
| Compressive strength | 10 | MPa | 173,7 | 14,7 | 0,08 |
| Flexural strength | 10 | MPa | 17,3 | 1,9 | - |
| Abrasion resistance | - | mm | 16,0 | - | - |
